extend x86_64-xlate.pl perlasm so it can handle .rodata sections properly

For nasm/masm assembler flavors the xlate script must make sure the code
won't land in .rodata section along the data.

For masm we also need to introduce an .align option which can be passed
along section header. It's hint for masm to align rodata/rdata section
properly.

Also macos-x flavor requires small tweak to emit proper section header
for its assembler style.

Changes for masm flavor are based on SEGMENT description [1] in
MASM reference manual.

Changes for nasm flavor are based on nasm 2.14 manual chapter 7 [2].

Details behind macos-x changes can be found in 'Overview of the Mach-O
Executable Format' [3]

[1] https://learn.microsoft.com/en-us/cpp/assembler/masm/segment?view=msvc-170

[2] https://nasm.us/xdoc/2.14rc0/html/nasmdoc7.html

[3] https://developer.apple.com/library/archive/documentation/Performance/Conceptual/CodeFootprint/Articles/MachOOverview.html

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/23997)

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