Update:
I’ve added the changes to the database and it’s already for review for a couple of days.
In the mean time I found the following link that described how to include a new xml file into the existing binding. Followed this guide to add the xml file of the device that I’ve updated and I’m pleased to say that it works. Regarding the description on how to add the xml: the final step (updating the bundle) didn’t work, so i just copied the new jar file in to the openhab-addons folder which installed the binding and made the zwave device not unknown anymore.
https://community.openhab.org/t/update-zwave-binding-with-new-updated-device-xml/147248