[lld] [llvm] [lld][llvm-objcopy] Enable Xbox subsystem for PE images. (PR #191779)

[James Henderson via llvm-commits]

https://github.com/jh7370 approved this pull request.

Also LGTM. I'll queue it up for auto-merge once the checks have finished.

https://github.com/llvm/llvm-project/pull/191779