[clang] [llvm] [Clang][LLVM] Disable NonLazyBind when pointer authentication is enabled (PR #188638)

[Oskar Wirga via cfe-commits]

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oskarwirga wrote:

It turns out these functions don't get declared for any target so `DeclareRuntimeLibcalls` never processes them, should I leave it as is and just have arm64e-objc-arc.ll cover this or should we make this `impl`s for darwin targets?

https://github.com/llvm/llvm-project/pull/188638