[llvm] [TargetParser][AArch64] Believe runtime feature detection (PR #95694)

[via llvm-commits]

workingjubilee wrote:

...and why is crypto detection behind the aarch64 ifdef? 32-bit Arm CPUs can support aes and sha2, can't they? I mean maybe they usually won't, but it doesn't seem correct to refuse to detect it if the kernel indicates otherwise.

https://github.com/llvm/llvm-project/pull/95694