Support other MASM assemblers (x86, ARM, ARM64) than x64/ML64

Hello list,

I see that libtool has added support for the MASM and the ml64 tool in
2a4cc31 as a response for a bug report in Debian. I'd like to note
that Microsoft has other assemblers: ml for x86, armasm for ARM, and
armasm64 for ARM64. Could it be possible to add support for these in
the same fashion as ML64? They also use the `.asm` extension.

https://learn.microsoft.com/en-us/cpp/assembler/arm/arm-assembler-reference?view=msvc-180
https://learn.microsoft.com/en-us/cpp/assembler/masm/microsoft-macro-assembler-reference?view=msvc-180

- https://cgit.git.savannah.gnu.org/cgit/libtool.git/commit/?id=2a4cc31b6635c411ae74a3d4ccdb48b1ff1dd4dc
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=48993

Thanks,
-- Antonin