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

[Chris Apple via llvm-commits]

cjappl wrote:

I can confirm that this fixes the problem I reported. I am now able to build and run `check-asan` and others with no code-signing issues on the two macs I have access to.

Much appreciated @bdash 

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