[Driver][RISCV] Fix musl dynamic linker path for RISC-V sf/sp ABI (#202513)
Musl adds -sf or -sp suffixes to the path of dynamic linker (e.g.,
ld-musl-riscv64-sf.so.1):
https://git.musl-libc.org/cgit/musl/tree/configure?h=v1.2.6&id=9fa28ece75d8a2191de7c5bb53bed224c5947417#n732
---------
Co-authored-by: Chih-Mao Chen <cmchen@andestech.com>
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>