https://bugzilla.kernel.org/show_bug.cgi?id=211277
--- Comment #84 from kolAflash (kolAflash@kolahilft.de) --- @James
I was able to compile!
Looks like this was some fault of mine. (I'm usually building out of source directory and did something wrong...)
Now I'm testing the current v5.10.82 with the provided attachment 299697 patches.