[clang] [clang][ARM][AArch64] Don't require arm_acle header for universally defined intrinsics (PR #136742)

[Martin Storsjö via cfe-commits]

mstorsjo wrote:

I think we should revert https://github.com/llvm/llvm-project/pull/128222 if we can't move forward with this one soon. Unfortunately I'm not sure if I'm qualified to review it.

https://github.com/llvm/llvm-project/pull/136742