[llvm] [AMDGPU] Add AMDGPU support for llvm-objcopy (PR #190020)

[James Henderson via llvm-commits]

================
@@ -93,6 +97,7 @@
 # SPARCEL-NEXT: Arch: sparcel
 # S390X-NEXT:   Arch: s390x
 # X86-64-NEXT:  Arch: x86_64
+# AMDGPU-NEXT:  Arch: unknown
----------------
jh7370 wrote:

Probably worth a comment highlighting that the "unknown" is intentional, similar to the one in the other test you've modified.

https://github.com/llvm/llvm-project/pull/190020