Here is the github thread which had some recent discussion before the repo was taken down. Rockchip said something like it would be too much work to fix the licenses for all the new chips they are creating.
https://web.archive.org/web/20251103193914/https://github.co...
The archive isn't very good for the thread. Is that what they said though? From the comments I see they said "we're working on it, but we're busy with XYZ" and then months passed.
Archive won't load the remaining 3 items for me.