[llvm] Allow the dumping of .dwo files contents to show up when dumping an e… (PR #66726)

[Greg Clayton via llvm-commits]

clayborg wrote:

> How do you specify to output DIE at an offset for specific non-skeleton unit?

Currently you can just use "--debug-info=<offset>" and you might see multiple DIEs from multiple .dwo files. I can add a ---dwo-id <id> option to allow only dumping a specific .dwo file.

https://github.com/llvm/llvm-project/pull/66726