[llvm] [llvm-objdump] Rework .gnu.version_d dumping (PR #128434)

[Fangrui Song via llvm-commits]

MaskRay wrote:

> Did you mean to include the `verdef-section.yaml` changes? If so, the test is failing.
> 
> Everything else LGTM, so I'm assuming it was an accidental addition and am approving without it. If it is intended, please let me know and I'll take another look (after it's fixed).

Thanks! llvm/test/tools/obj2yaml/ELF/verdef-section.yaml was unintended. Dropped.

https://github.com/llvm/llvm-project/pull/128434