[compiler-rt] [LSAN] Add extra suppressions on Apple Aarch64 (PR #117478)

[Hans Kratz via llvm-commits]

hkratz wrote:

FYI: The `_fetchInitializingClassList` is actually related to some special-cased thread locals as well, the allocation is [here](https://github.com/opensource-apple/objc4/blob/cd5e62a5597ea7a31dccef089317abb3a661c154/runtime/objc-initialize.mm#L140), [`_objc_fetch_pthread_data`](https://github.com/opensource-apple/objc4/blob/cd5e62a5597ea7a31dccef089317abb3a661c154/runtime/objc-runtime.mm#L365) has the TLS access.

https://github.com/llvm/llvm-project/pull/117478