[clang] [llvm] [llvm][tools] Add support to llvm-offload-binary to unbundle images inside OffloadBinary images (PR #184774)

[Alex Duran via cfe-commits]

adurang wrote:

@jh7370 I think I addressed all your comments. Note that the changes related to objdump come from #185425. I'm fine handling both llvm-objdump and llvm-offload-binaries together but if you prefer to handled the PRs sepparately that's also ok with me :)

https://github.com/llvm/llvm-project/pull/184774