[clang] [compiler-rt] [llvm] [FMV][AArch64] Add feature CSSC and detect on linux platform. (PR #132727)

[Alexandros Lamprineas via llvm-commits]

labrinea wrote:

Alright, Wilco has confirmed that GCC will reuse the same detection bit. Any other remarks or are we happy with this change?

https://github.com/llvm/llvm-project/pull/132727