[llvm] Fix typo in condition AArch64InstrInfo::copyPhysReg. (PR #173450)

[Tomer Shafir via llvm-commits]

tomershafir wrote:

See the current diff of the PR, you accidentally removed the check `!mustAvoidNeonAtMBBI(Subtarget, MBB, I)` which has been merged into the main branch after you branched out from it.

https://github.com/llvm/llvm-project/pull/173450