[llvm] [llvm-nm][GOFF] Support symbol types and sizes (PR #207119)

[Amy Kwan via llvm-commits]

amy-kwan wrote:

This still needs to be cherry-picked, as I'd ideally like to commit the llvm-ar implementation in LLVM 23.x, so let's try this again.

/cherry-pick 60bd2e1942b80287c8b4fbe5b0d1b0cd6bfe96ae

https://github.com/llvm/llvm-project/pull/207119