Use x instead of v for alternative 2 (v, BH) in mov<mode>_internal.

Use x instead of v for alternative 2 (v, BH) in mov<mode>_internal.

Since there's no evex version for vpcmpeq ymm, ymm, ymm.

gcc/ChangeLog:

	PR target/110227
	* config/i386/sse.md (mov<mode>_internal>): Use x instead of v
	for alternative 2 since there's no evex version for vpcmpeqd
	ymm, ymm, ymm.

gcc/testsuite/ChangeLog:

	* gcc.target/i386/pr110227.c: New test.