[llvm] [NFC] reorganize the PPCInstrP10.td based on the Predicates (PR #93835)

[Amy Kwan via llvm-commits]

https://github.com/amy-kwan approved this pull request.

I think personally this LGTM. Please also wait for if @chenzheng1030 is OK with the change.

https://github.com/llvm/llvm-project/pull/93835