[llvm] [llvm][ARM][NFC] Renaming FeaturePrefLoopLogAlign (PR #109932)

[David Green via llvm-commits]

https://github.com/davemgreen approved this pull request.

Thanks for doing this. I think I would go with "BranchAlign" instead of "BranchInstAlign", which implies that the actual br is aligned.

Otherwise LGTM.

https://github.com/llvm/llvm-project/pull/109932