[llvm] [RISCV] Basic Objdump Mapping Symbol Support (PR #151452)

[Kito Cheng via llvm-commits]

https://github.com/kito-cheng approved this pull request.

LGTM, I am surprise this is still not implemented on upstream LLVM...I guess that because I mostly use gnu objdump in my work flow :P

Thanks for fill up this gap!

https://github.com/llvm/llvm-project/pull/151452