x86/APX: Don't promote AVX/AVX2 instructions out of APX spec

x86/APX: Don't promote AVX/AVX2 instructions out of APX spec

V{BROADCAST,EXTRACT,INSERT}{F,I}128 and VROUND{P,S}{S,D} aren't promoted
to support EGPR in APX spec.  Don't promote them out of APX spec.  This
commit effectively reverted:

ec3babb8c10 x86/APX: V{BROADCAST,EXTRACT,INSERT}{F,I}128 can also be expressed
5a635f1f59a x86/APX: VROUND{P,S}{S,D} encodings require AVX512{F,VL}
eea4357967b x86/APX: VROUND{P,S}{S,D} can generally be encoded

gas/

	PR gas/32171
	* testsuite/gas/i386/x86-64-apx-egpr-promote-inval.s: Add
	V{BROADCAST,EXTRACT,INSERT}{F,I}128 tests with EGPR.
	* testsuite/gas/i386/x86-64-apx-evex-promoted.s: Remove
	V{BROADCAST,EXTRACT,INSERT}{F,I}128 and VROUND{P,S}{S,D} tests
	with EGPR.
	* testsuite/gas/i386/x86-64-apx-egpr-inval.l: Updated.
	* testsuite/gas/i386/x86-64-apx-egpr-promote-inval.l: Likewise.
	* testsuite/gas/i386/x86-64-apx-evex-promoted-intel.d: Likewise.
	* testsuite/gas/i386/x86-64-apx-evex-promoted-wig.d: Likewise.
	* testsuite/gas/i386/x86-64-apx-evex-promoted.d: Likewise.

opcodes/

	PR gas/32171
	* i386-opc.tbl: Remove V{BROADCAST,EXTRACT,INSERT}{F,I}128 and
	VROUND{P,S}{S,D} entries with EGPR.
	* i386-tbl.h: Regenerated.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>