That binding was never merged into the OH baseline so is out of scope. Only those bindings that are officially part of the OH baseline (i.e. can be found through PaperUI, have a readme page in the docs, hosted in the openhab/openhab1-addons repo are in the list. And it appears to not have received an update in years. If no developers stuck around to get it merged into the baseline in the first place, I doubt there are any around to rewrite it as a 2.x version binding.
In that thread in March sihui posted
But that same post points to an external tool to make the integration possible.