[llvm] [AArch64] Prioritize regalloc hints over movprfx hints (PR #167480)

[Ricardo Jesus via llvm-commits]

https://github.com/rj-jesus approved this pull request.

LGTM as far as I can tell, cheers. :)

There's a CI test failing, but it looks unrelated.

https://github.com/llvm/llvm-project/pull/167480