[compiler-rt] [compiler-rt] Don't rely on automatic codesigning with Apple's linker (PR #91681)

[Mark Rowe via llvm-commits]

bdash wrote:

@cjappl, this should address the issue you mentioned in https://github.com/llvm/llvm-project/pull/88323.

https://github.com/llvm/llvm-project/pull/91681