Add support for using VAES instructions for NI parallel operations. #779

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	3m 5s
sse2 (1.65.0, i686-unknown-linux-gnu)	3m 23s
test (1.65.0)	3m 7s
sse2 (1.65.0, x86_64-unknown-linux-gnu)	3m 10s
sse2 (stable, i686-unknown-linux-gnu)	32s
build (1.65.0, wasm32-unknown-unknown)	3m 7s
sse2 (stable, x86_64-unknown-linux-gnu)	16s
build (stable, thumbv7em-none-eabi)	12s
build (stable, wasm32-unknown-unknown)	10s
test (stable)	13s
minimal-versions / minimal-versions	20s
	17m 35s

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