RFR: 8325991: Accelerate Poly1305 on x86_64 using AVX2 instructions

[Srinivas Vamsi Parasa]

The goal of this PR is to accelerate the Poly1305 algorithm using AVX2 instructions (including IFMA) for x86_64 CPUs.

This implementation is directly based on the AVX2 Poly1305 hash computation as implemented in Intel(R) Multi-Buffer Crypto for IPsec Library (url: https://github.com/intel/intel-ipsec-mb/blob/main/lib/avx2_t3/poly_fma_avx2.asm)

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Commit messages:
 - 8325991: Accelerate Poly1305 on x86_64 using AVX2 instructions
 - fix typos in algorithm
 - add pseudo code algorithm
 - remove comment
 - response to safe review comments
 - cleanup copyright
 - add avx-ifma check
 - Add suggested comments
 - remove kmask from vpmadd instructions
 - Address Vlad's codereview comments
 - ... and 4 more: https://git.openjdk.org/jdk/compare/3d32c460...d3af573a

Changes: https://git.openjdk.org/jdk/pull/17881/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17881&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8325991
  Stats: 858 lines in 8 files changed: 844 ins; 0 del; 14 mod
  Patch: https://git.openjdk.org/jdk/pull/17881.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17881/head:pull/17881

PR: https://git.openjdk.org/jdk/pull/17881