Add detection of Intel x86 AVX-VNNI instructions.

[qukhan]

Tested using Intel SDE:

bash scripts/local-build.sh

OPTIONS=()
PLATFORMS=()

OPTIONS+=(-quark); PLATFORMS+=("Quark")
OPTIONS+=(-p4); PLATFORMS+=("Pentium4")
OPTIONS+=(-p4p); PLATFORMS+=("Pentium4 Prescott")
OPTIONS+=(-mrm); PLATFORMS+=("Merom")
OPTIONS+=(-pnr); PLATFORMS+=("Penryn")
OPTIONS+=(-nhm); PLATFORMS+=("Nehalem")
OPTIONS+=(-wsm); PLATFORMS+=("Westmere")
OPTIONS+=(-snb); PLATFORMS+=("Sandy Bridge")
OPTIONS+=(-ivb); PLATFORMS+=("Ivy Bridge")
OPTIONS+=(-hsw); PLATFORMS+=("Haswell")
OPTIONS+=(-bdw); PLATFORMS+=("Broadwell")
OPTIONS+=(-slt); PLATFORMS+=("Saltwell")
OPTIONS+=(-slm); PLATFORMS+=("Silvermont")
OPTIONS+=(-glm); PLATFORMS+=("Goldmont")
OPTIONS+=(-glp); PLATFORMS+=("Goldmont Plus")
OPTIONS+=(-tnt); PLATFORMS+=("Tremont")
OPTIONS+=(-snr); PLATFORMS+=("Snow Ridge")
OPTIONS+=(-skl); PLATFORMS+=("Skylake")
OPTIONS+=(-cnl); PLATFORMS+=("Cannon Lake")
OPTIONS+=(-icl); PLATFORMS+=("Ice Lake")
OPTIONS+=(-skx); PLATFORMS+=("Skylake server")
OPTIONS+=(-clx); PLATFORMS+=("Cascade Lake")
OPTIONS+=(-cpx); PLATFORMS+=("Cooper Lake")
OPTIONS+=(-icx); PLATFORMS+=("Ice Lake server")
OPTIONS+=(-knl); PLATFORMS+=("Knights landing")
OPTIONS+=(-knm); PLATFORMS+=("Knights mill")
OPTIONS+=(-tgl); PLATFORMS+=("Tiger Lake")
OPTIONS+=(-adl); PLATFORMS+=("Alder Lake")
OPTIONS+=(-mtl); PLATFORMS+=("Meteor Lake")
OPTIONS+=(-rpl); PLATFORMS+=("Raptor Lake")
OPTIONS+=(-spr); PLATFORMS+=("Sapphire Rapids")
OPTIONS+=(-gnr); PLATFORMS+=("Granite Rapids")
OPTIONS+=(-srf); PLATFORMS+=("Sierra Forest")
OPTIONS+=(-grr); PLATFORMS+=("Grand Ridge")
OPTIONS+=(-future); PLATFORMS+=("Future chip")

SDE_BIN="path/to/sde"

for I in "${!PLATFORMS[@]}"; do
  echo "${PLATFORMS["${I}"]}"
  "${SDE_BIN}" "${OPTIONS[$I]}" -- ./build/local/isa-info | grep "AVXVNNI"
done

Result:

[...}
Silvermont
        AVXVNNI: no
Goldmont
        AVXVNNI: no
Goldmont Plus
        AVXVNNI: no
Tremont
        AVXVNNI: no
Snow Ridge
        AVXVNNI: no
Skylake
        AVXVNNI: no
Cannon Lake
        AVXVNNI: no
Ice Lake
        AVXVNNI: no
Skylake server
        AVXVNNI: no
Cascade Lake
        AVXVNNI: no
Cooper Lake
        AVXVNNI: no
Ice Lake server
        AVXVNNI: no
Knights landing
        AVXVNNI: no
Knights mill
        AVXVNNI: no
Tiger Lake
        AVXVNNI: no
Alder Lake
        AVXVNNI: yes
Meteor Lake
        AVXVNNI: yes
Raptor Lake
        AVXVNNI: yes
Sapphire Rapids
        AVXVNNI: yes
Granite Rapids
        AVXVNNI: yes
Sierra Forest
        AVXVNNI: yes
Grand Ridge
        AVXVNNI: yes
Future chip
        AVXVNNI: yes

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