[llvm] [AMDGPU] Add AMDGPU support for llvm-objcopy (PR #92066)

[James Henderson via llvm-commits]

https://github.com/jh7370 requested changes to this pull request.

This PR appears to have the same issues as I highlighted in the original Phabricator review. Please see https://reviews.llvm.org/D143539#4527049.

https://github.com/llvm/llvm-project/pull/92066