[llvm] CMake: Fix LLVM_ENABLE_DEBUGLOC_COVERAGE_TRACKING in reentrancy situa… (PR #144331)

[Slava Zakharin via llvm-commits]

vzakhari wrote:

Good point, @chapuni! I did not realize @penguin-wwy was not the original author. Let me try to rework it. It is blocking me as well.

https://github.com/llvm/llvm-project/pull/144331