[llvm] Add --dump-offload-bundle option to llvm-objcopy (PR #143347)

[James Henderson via llvm-commits]

================
@@ -0,0 +1,60 @@
+## Test that --offloading with a fatbin works correctly
+# REQUIRES: target={{x86_64-.*-linux.*}}
----------------
jh7370 wrote:

Is this actually needed? See my same comments in the llvm-readobj review.

https://github.com/llvm/llvm-project/pull/143347