[lld] [llvm] [llvm-objdump][ARM] Find ELF file PLT entries for arm, thumb (PR #130764)

[Fangrui Song via llvm-commits]

https://github.com/MaskRay commented:

Changing Triple to `const MCSubtargetInfo &STI` looks good to me, but perhaps the refactoring could be a separate patch

https://github.com/llvm/llvm-project/pull/130764