Could catch! pushed: am335x-bonegreen: add gpio-line-names (4890021a) · Commits · BeagleBoard.org / BeagleBoard-DeviceTrees · GitLab
i just ran sed over the file and removed the HDMI names, (so we should double check) and we should label uart2 (grove connector)… otherwise if you want to submit this mainline go ahead! 
Regards,