I checked the two files you requested but neither exist. I do have a /etc/init/d/openhab2 file but no -Dosgi.noShutdown entry to put new line under. Below are the outputs you requested
[14:04:09] openhabian@openHABianPi:~$ dmesg -T | grep tty
[Mon Aug 13 16:57:05 2018] Kernel command line: 8250.nr_uarts=0 bcm2708_fb.fbwidth=656 bcm2708_fb.fbheight=416 bcm2708_fb.fbdepth=16 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3f000000 vc_mem.mem_size=0x3f600000 dwc_otg.lpm_enable=0 console=ttyS0,115200 console=tty1 root=/dev/sda1 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait
[Mon Aug 13 16:57:05 2018] console [tty1] enabled
[Mon Aug 13 16:57:05 2018] 3f201000.serial: ttyAMA0 at MMIO 0x3f201000 (irq = 87, base_baud = 0) is a PL011 rev2
[Mon Aug 13 16:57:22 2018] usb 1-1.4: cp210x converter now attached to ttyUSB0
[Mon Aug 13 16:57:22 2018] usb 1-1.3: pl2303 converter now attached to ttyUSB1
[Mon Aug 13 17:13:43 2018] pl2303 ttyUSB1: pl2303 converter now disconnected from ttyUSB1
[Tue Aug 14 13:54:06 2018] usb 1-1.3: pl2303 converter now attached to ttyUSB1
[14:07:20] openhabian@openHABianPi:~$ ls -l /dev/ttyAMA0
crw-rw---- 1 root dialout 204, 64 Aug 13 16:57 /dev/ttyAMA0
[14:08:36] openhabian@openHABianPi:~$ ls -la /dev
total 4
drwxr-xr-x 16 root root 3420 Aug 14 13:54 .
drwxr-xr-x 22 root root 4096 Aug 6 18:34 ..
crw-r--r-- 1 root root 10, 235 Aug 13 16:57 autofs
drwxr-xr-x 2 root root 620 Aug 13 16:57 block
drwxr-xr-x 2 root root 60 Jan 1 1970 bsg
crw------- 1 root root 10, 234 Aug 13 16:56 btrfs-control
drwxr-xr-x 3 root root 60 Jan 1 1970 bus
crw------- 1 root root 10, 63 Aug 13 16:57 cachefiles
drwxr-xr-x 2 root root 2540 Aug 14 13:54 char
crw------- 1 root root 5, 1 Aug 13 16:57 console
crw------- 1 root root 10, 62 Aug 13 16:57 cpu_dma_latency
crw------- 1 root root 10, 203 Aug 13 16:56 cuse
drwxr-xr-x 7 root root 140 Aug 13 16:57 disk
crw-rw---- 1 root video 29, 0 Aug 13 16:57 fb0
lrwxrwxrwx 1 root root 13 Nov 3 2016 fd -> /proc/self/fd
crw-rw-rw- 1 root root 1, 7 Aug 13 16:57 full
crw-rw-rw- 1 root root 10, 229 Aug 13 16:56 fuse
crw-rw---- 1 root gpio 254, 0 Aug 13 16:57 gpiochip0
crw-rw---- 1 root gpio 254, 1 Aug 13 16:57 gpiochip1
crw-rw---- 1 root gpio 254, 2 Aug 13 16:57 gpiochip2
crw-rw---- 1 root gpio 248, 0 Aug 13 16:57 gpiomem
crw------- 1 root root 10, 183 Aug 13 16:57 hwrng
lrwxrwxrwx 1 root root 25 Nov 3 2016 initctl -> /run/systemd/initctl/fifo
drwxr-xr-x 2 root root 60 Jan 1 1970 input
crw-r--r-- 1 root root 1, 11 Aug 13 16:57 kmsg
lrwxrwxrwx 1 root root 28 Nov 3 2016 log -> /run/systemd/journal/dev-log
brw-rw---- 1 root disk 7, 0 Aug 13 16:57 loop0
brw-rw---- 1 root disk 7, 1 Aug 13 16:57 loop1
brw-rw---- 1 root disk 7, 2 Aug 13 16:57 loop2
brw-rw---- 1 root disk 7, 3 Aug 13 16:57 loop3
brw-rw---- 1 root disk 7, 4 Aug 13 16:57 loop4
brw-rw---- 1 root disk 7, 5 Aug 13 16:57 loop5
brw-rw---- 1 root disk 7, 6 Aug 13 16:57 loop6
brw-rw---- 1 root disk 7, 7 Aug 13 16:57 loop7
crw-rw---- 1 root disk 10, 237 Aug 13 16:57 loop-control
drwxr-xr-x 2 root root 60 Aug 13 16:56 mapper
crw-r----- 1 root kmem 1, 1 Aug 13 16:57 mem
crw------- 1 root root 10, 59 Aug 13 16:57 memory_bandwidth
brw-rw---- 1 root disk 179, 0 Aug 13 16:57 mmcblk0
brw-rw---- 1 root disk 179, 1 Aug 13 16:57 mmcblk0p1
brw-rw---- 1 root disk 179, 2 Aug 13 16:57 mmcblk0p2
drwxrwxrwt 2 root root 40 Jan 1 1970 mqueue
drwxr-xr-x 2 root root 60 Aug 13 16:56 net
crw------- 1 root root 10, 61 Aug 13 16:57 network_latency
crw------- 1 root root 10, 60 Aug 13 16:57 network_throughput
crw-rw-rw- 1 root root 1, 3 Aug 13 16:57 null
crw------- 1 root root 108, 0 Aug 13 16:56 ppp
crw-rw-rw- 1 root tty 5, 2 Aug 14 14:08 ptmx
drwxr-xr-x 2 root root 0 Nov 3 2016 pts
brw-rw---- 1 root disk 1, 0 Aug 13 16:57 ram0
brw-rw---- 1 root disk 1, 1 Aug 13 16:57 ram1
brw-rw---- 1 root disk 1, 10 Aug 13 16:57 ram10
brw-rw---- 1 root disk 1, 11 Aug 13 16:57 ram11
brw-rw---- 1 root disk 1, 12 Aug 13 16:57 ram12
brw-rw---- 1 root disk 1, 13 Aug 13 16:57 ram13
brw-rw---- 1 root disk 1, 14 Aug 13 16:57 ram14
brw-rw---- 1 root disk 1, 15 Aug 13 16:57 ram15
brw-rw---- 1 root disk 1, 2 Aug 13 16:57 ram2
brw-rw---- 1 root disk 1, 3 Aug 13 16:57 ram3
brw-rw---- 1 root disk 1, 4 Aug 13 16:57 ram4
brw-rw---- 1 root disk 1, 5 Aug 13 16:57 ram5
brw-rw---- 1 root disk 1, 6 Aug 13 16:57 ram6
brw-rw---- 1 root disk 1, 7 Aug 13 16:57 ram7
brw-rw---- 1 root disk 1, 8 Aug 13 16:57 ram8
brw-rw---- 1 root disk 1, 9 Aug 13 16:57 ram9
crw-rw-rw- 1 root root 1, 8 Aug 13 16:57 random
drwxr-xr-x 2 root root 60 Jan 1 1970 raw
crw-rw-r-- 1 root netdev 10, 58 Aug 13 16:57 rfkill
brw-rw---- 1 root disk 8, 0 Aug 13 16:57 sda
brw-rw---- 1 root disk 8, 1 Aug 13 16:57 sda1
drwxr-xr-x 4 root root 80 Aug 13 16:57 serial
lrwxrwxrwx 1 root root 7 Aug 13 16:57 serial1 -> ttyAMA0
crw-rw---- 1 root disk 21, 0 Aug 13 16:57 sg0
drwxrwxrwt 2 root root 40 Nov 3 2016 shm
drwxr-xr-x 3 root root 160 Aug 13 16:57 snd
lrwxrwxrwx 1 root root 15 Nov 3 2016 stderr -> /proc/self/fd/2
lrwxrwxrwx 1 root root 15 Nov 3 2016 stdin -> /proc/self/fd/0
lrwxrwxrwx 1 root root 15 Nov 3 2016 stdout -> /proc/self/fd/1
crw-rw-rw- 1 root tty 5, 0 Aug 14 13:58 tty
crw--w---- 1 root tty 4, 0 Aug 13 16:57 tty0
crw--w---- 1 root tty 4, 1 Aug 13 16:57 tty1
crw--w---- 1 root tty 4, 10 Aug 13 16:57 tty10
crw--w---- 1 root tty 4, 11 Aug 13 16:57 tty11
crw--w---- 1 root tty 4, 12 Aug 13 16:57 tty12
crw--w---- 1 root tty 4, 13 Aug 13 16:57 tty13
crw--w---- 1 root tty 4, 14 Aug 13 16:57 tty14
crw--w---- 1 root tty 4, 15 Aug 13 16:57 tty15
crw--w---- 1 root tty 4, 16 Aug 13 16:57 tty16
crw--w---- 1 root tty 4, 17 Aug 13 16:57 tty17
crw--w---- 1 root tty 4, 18 Aug 13 16:57 tty18
crw--w---- 1 root tty 4, 19 Aug 13 16:57 tty19
crw--w---- 1 root tty 4, 2 Aug 13 16:57 tty2
crw--w---- 1 root tty 4, 20 Aug 13 16:57 tty20
crw--w---- 1 root tty 4, 21 Aug 13 16:57 tty21
crw--w---- 1 root tty 4, 22 Aug 13 16:57 tty22
crw--w---- 1 root tty 4, 23 Aug 13 16:57 tty23
crw--w---- 1 root tty 4, 24 Aug 13 16:57 tty24
crw--w---- 1 root tty 4, 25 Aug 13 16:57 tty25
crw--w---- 1 root tty 4, 26 Aug 13 16:57 tty26
crw--w---- 1 root tty 4, 27 Aug 13 16:57 tty27
crw--w---- 1 root tty 4, 28 Aug 13 16:57 tty28
crw--w---- 1 root tty 4, 29 Aug 13 16:57 tty29
crw--w---- 1 root tty 4, 3 Aug 13 16:57 tty3
crw--w---- 1 root tty 4, 30 Aug 13 16:57 tty30
crw--w---- 1 root tty 4, 31 Aug 13 16:57 tty31
crw--w---- 1 root tty 4, 32 Aug 13 16:57 tty32
crw--w---- 1 root tty 4, 33 Aug 13 16:57 tty33
crw--w---- 1 root tty 4, 34 Aug 13 16:57 tty34
crw--w---- 1 root tty 4, 35 Aug 13 16:57 tty35
crw--w---- 1 root tty 4, 36 Aug 13 16:57 tty36
crw--w---- 1 root tty 4, 37 Aug 13 16:57 tty37
crw--w---- 1 root tty 4, 38 Aug 13 16:57 tty38
crw--w---- 1 root tty 4, 39 Aug 13 16:57 tty39
crw--w---- 1 root tty 4, 4 Aug 13 16:57 tty4
crw--w---- 1 root tty 4, 40 Aug 13 16:57 tty40
crw--w---- 1 root tty 4, 41 Aug 13 16:57 tty41
crw--w---- 1 root tty 4, 42 Aug 13 16:57 tty42
crw--w---- 1 root tty 4, 43 Aug 13 16:57 tty43
crw--w---- 1 root tty 4, 44 Aug 13 16:57 tty44
crw--w---- 1 root tty 4, 45 Aug 13 16:57 tty45
crw--w---- 1 root tty 4, 46 Aug 13 16:57 tty46
crw--w---- 1 root tty 4, 47 Aug 13 16:57 tty47
crw--w---- 1 root tty 4, 48 Aug 13 16:57 tty48
crw--w---- 1 root tty 4, 49 Aug 13 16:57 tty49
crw--w---- 1 root tty 4, 5 Aug 13 16:57 tty5
crw--w---- 1 root tty 4, 50 Aug 13 16:57 tty50
crw--w---- 1 root tty 4, 51 Aug 13 16:57 tty51
crw--w---- 1 root tty 4, 52 Aug 13 16:57 tty52
crw--w---- 1 root tty 4, 53 Aug 13 16:57 tty53
crw--w---- 1 root tty 4, 54 Aug 13 16:57 tty54
crw--w---- 1 root tty 4, 55 Aug 13 16:57 tty55
crw--w---- 1 root tty 4, 56 Aug 13 16:57 tty56
crw--w---- 1 root tty 4, 57 Aug 13 16:57 tty57
crw--w---- 1 root tty 4, 58 Aug 13 16:57 tty58
crw--w---- 1 root tty 4, 59 Aug 13 16:57 tty59
crw--w---- 1 root tty 4, 6 Aug 13 16:57 tty6
crw--w---- 1 root tty 4, 60 Aug 13 16:57 tty60
crw--w---- 1 root tty 4, 61 Aug 13 16:57 tty61
crw--w---- 1 root tty 4, 62 Aug 13 16:57 tty62
crw--w---- 1 root tty 4, 63 Aug 13 16:57 tty63
crw--w---- 1 root tty 4, 7 Aug 13 16:57 tty7
crw--w---- 1 root tty 4, 8 Aug 13 16:57 tty8
crw--w---- 1 root tty 4, 9 Aug 13 16:57 tty9
crw-rw---- 1 root dialout 204, 64 Aug 13 16:57 ttyAMA0
crw------- 1 root root 5, 3 Aug 13 16:57 ttyprintk
crw-rw---- 1 root dialout 188, 0 Aug 14 14:08 ttyUSB0
crw-rw---- 1 root dialout 188, 1 Aug 14 13:54 ttyUSB1
crw------- 1 root root 10, 239 Aug 13 16:56 uhid
crw------- 1 root root 10, 223 Aug 13 16:56 uinput
crw-rw-rw- 1 root root 1, 9 Aug 13 16:57 urandom
crw-rw---- 1 root video 246, 0 Aug 13 16:57 vchiq
crw-rw---- 1 root video 249, 0 Aug 13 16:57 vcio
crw------- 1 root root 250, 0 Aug 13 16:57 vc-mem
crw-rw---- 1 root tty 7, 0 Aug 13 16:57 vcs
crw-rw---- 1 root tty 7, 1 Aug 13 16:57 vcs1
crw-rw---- 1 root tty 7, 2 Aug 13 16:57 vcs2
crw-rw---- 1 root tty 7, 3 Aug 13 16:57 vcs3
crw-rw---- 1 root tty 7, 4 Aug 13 16:57 vcs4
crw-rw---- 1 root tty 7, 5 Aug 13 16:57 vcs5
crw-rw---- 1 root tty 7, 6 Aug 13 16:57 vcs6
crw-rw---- 1 root tty 7, 128 Aug 13 16:57 vcsa
crw-rw---- 1 root tty 7, 129 Aug 13 16:57 vcsa1
crw-rw---- 1 root tty 7, 130 Aug 13 16:57 vcsa2
crw-rw---- 1 root tty 7, 131 Aug 13 16:57 vcsa3
crw-rw---- 1 root tty 7, 132 Aug 13 16:57 vcsa4
crw-rw---- 1 root tty 7, 133 Aug 13 16:57 vcsa5
crw-rw---- 1 root tty 7, 134 Aug 13 16:57 vcsa6
crw------- 1 root root 10, 137 Aug 13 16:56 vhci
crw------- 1 root root 10, 130 Aug 13 16:57 watchdog
crw------- 1 root root 252, 0 Aug 13 16:57 watchdog0
crw-rw-rw- 1 root root 1, 5 Aug 13 16:57 zero