x86cpuid.pl: fix extended feature flags detection.
(cherry picked from commit 1bc0b68d7b8c7620487310ed84fa273ba0d9f428)
ghash-x86_64.pl: add Haswell performance data.
(cherry picked from commit b42759158d8b7e5b23c7a24d11bc7f2194f55007)
sha[256|512]-586.pl: add more SIMD code paths.
(cherry picked from commit 32213d8d77e0ce6afc4b19f94c228812d0bf8fd5)
sha512-x86_64.pl: upcoming-Atom-specific optimization.
(cherry picked from commit c7f690c243f5ad3dccaa6dbb918c92eb39622711)
sha1-x86_64.pl: add AVX2+BMI code path.
(cherry picked from commit cd8d7335afcdef97312e05a9bd29b17a00796f48)
aesni-sha256-x86_64.pl: harmonize with latest sha512-x86_64.pl.
(cherry picked from commit 42b9a4177bf9d465ff9ac8d4e1526301d809a87e)
aesni-sha1-x86_64.pl: update performance data.
(cherry picked from commit 3b848d3401de1892415e46561ae75f06ff65e823)