[compiler-rt] [builtins] Avoid using long double in FreeBSD standalone environment (PR #76175)

[Dimitry Andric via llvm-commits]

DimitryAndric wrote:

Ok, in the end it was much easier to just extend the `CRT_HAS_FLOATING_POINT` block to cover all floating point declarations. That fixes the FreeBSD libstand case, and should not influence any other cases.


https://github.com/llvm/llvm-project/pull/76175