[Bug target/104338] RISC-V: Subword atomics result in library calls

[i at rvalue dot moe via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104338

--- Comment #19 from rvalue <i at rvalue dot moe> ---
(In reply to Aurelien Jarno from comment #18)
> I wonder if the following patch should also be backported, as it
> doesn't make sense to link with -latomic anymore with inline subword atomic
> operations

Agreed. It's now meaningless to keep this workaround for RISC-V as the problem
has been resolved.