[llvm] [llvm][AArch64] Autoupgrade function attributes from Module attributes. (PR #82763)

[via llvm-commits]

DanielKristofKiss wrote:

[aeubanks](https://github.com/aeubanks) it adds attributes to function that was not there before but in certain cases needed.
I have a series of patches to change how clang and llvm handles these attributes so once those lands I plan to tune this behaviour as well. #83154. 

https://github.com/llvm/llvm-project/pull/82763