Prepare to commit to gollvm#30

Draft

melonedo wants to merge 5 commits intoplctlab:gollvm-build-riscvfrom

melonedo:upstream-final

Commits on Aug 26, 2022

gollvm: add support for crosscompiling

realqhc
authored and
thanm
committed

Commits on Aug 31, 2022

gollvm: pass arch info to the integrated assembler

melonedo
authored and
thanm
committed

Commits on Sep 3, 2022