8360934: Add AVX-512 intrinsics for ML-KEM - enhancement on AVX512_VBMI and AVX512_VBMI2

[smemery]

This change allows use of the AVX512_VBMI/VMBI2 instruction set to further optimize decompression/parsing of polynomial coefficients for ML-KEM. The speedup gained in the ML-KEM benchmarks for key generation is between 0.2 to 0.5%, encapsulation is 0.3 to 1.5%, and decapsulation is 0 to 0.9%.

Thank you to @sviswa7 and @ferakocz for their help in working through the early stages of this code with me.

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Progress

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Issue

• JDK-8360934: Add AVX-512 intrinsics for ML-KEM - enhancement on AVX512_VBMI and AVX512_VBMI2 (Enhancement - P5)

Reviewing

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https://git.openjdk.org/jdk/pull/28815.diff

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