[llvm] Add Offloading to llvm-readobj and llvm-objcopy (PR #141978)

[James Henderson via llvm-commits]

https://github.com/jh7370 commented:

Please could you split this into two PRs, one for each tool. They can then be reviewed completely independently. I'd like to review aspects of this, as a maintainer of the areas being modified, but I have limited time available.

https://github.com/llvm/llvm-project/pull/141978