[clang] [compiler-rt] [llvm] [LFI] Introduce AArch64 LFI Target (PR #167061)

[Peter Smith via llvm-commits]

https://github.com/smithp35 approved this pull request.

Thanks for the updates.

I'm happy with what's in this particular patch. I think the documentation for target support can be updated later as more architecture support is available in the verifier.

https://github.com/llvm/llvm-project/pull/167061