gdtoa: Regenerate configuration headers for 32-bit arm.

These configuration headers were only guessed, but unfortunately not exactly
correctly. Therefore, re-generate them on real HW.

Generated on CA15, verified on CA9, CA7(with VFP lite) and on 32-bit ARMv9.

PR: 272229
Reported by: Robert Clausecker <fuz@FreeBSD.org>
MFC after: 2 weeks