[Bug libffi/108682] libffi needs to merge upstream to get LoongArch support

[schwab--- via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108682

--- Comment #3 from Andreas Schwab <sch...@linux-m68k.org> ---
libgo/goarch.sh is missing LoongArch support.