[Bug go/84484] libgo configure tests fail to find -latomic

[sch...@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84484

--- Comment #14 from Andreas Schwab <sch...@linux-m68k.org> ---
See gcc/config/riscv/linux.h for why it does that.