[llvm] Improve llvm-config.h to record which target is configured or not (PR #71164)

[Fabian Mora via llvm-commits]

fabianmcg wrote:

That would solve the issue, however, that's a big refactor. How about, just creating `llvm-targets.h` and moving these flags there?

https://github.com/llvm/llvm-project/pull/71164