Tyrquake cores from 1.7.5 and older work for me. Never tested versions between 1.8.0 and 1.7.5 tho.
you can find them here archive.org/download/retroarch-versions/Wii%20U/
Im having strange problem with aroma. Every newly installed app freezes at "loading" screen with music still playing. Even aroma update. Everything is good with tiramisu.
