[llvm] [llvm-objdump] Pass MCSubtargetInfo to findPltEntries (NFC) (PR #131773)

[via llvm-commits]

https://github.com/serge-sans-paille approved this pull request.

Looks good, do you have merging rights or do you want me to merge it for you?

https://github.com/llvm/llvm-project/pull/131773