Here's a collection of various random things that i've yet to come up with a proper way to organize properly.
Do note that only stuff that i have tested and verified to be working is here.
ArchLinuxARM
ArchLinux RiscV
ARMtix
generic
rk3588/rk3588s/rk3576 (Radxa)
brcm* (Raspberry pi)
sdm845/sdm850
msm8916
tegrax1 (Nintendo Switch)