feat(simd_caps): CPUID 7,1 + new x86 caps fields + AMX OS-gate in cpu_ops (salvage from #190) #431

Job	Run time
tier4-avx512-check	33s
nostd/thumbv6m-none-eabi/stable	27s
hpc-stream-parallel/rayon	1m 35s
Pass MSRV values to other jobs	2s
native-backend/stable	6m 43s
clippy/1.95.0	44s
format/stable	21s
cross_test/${{ matrix.target }}/${{ matrix.rust }}	-1s
cargo-careful	-1s
nightly-simd-polyfill	-1s
miri	-1s
docs/nightly	-1s
tests/stable	10m 33s
tests/1.95.0	10m 37s
blas-msrv	49s
tests/beta	10m 54s
conclusion	0s
	43m 13s

Provide feedback