Add .noavx512XX directives to x86 assembler

Add .noavx512XX directives to x86 assembler

Add .noavx512f, .noavx512cd, .noavx512er, .noavx512pf, .noavx512dq,
.noavx512bw, .noavx512vl, .noavx512ifma, .noavx512vbmi directives to x86
assembler.

gas/

	PR gas/20145
	* config/tc-i386.c (cpu_noarch): Add noavx512f, noavx512cd,
	noavx512er, noavx512pf, noavx512dq, noavx512bw, noavx512vl,
	noavx512ifma and noavx512vbmi.
	* doc/c-i386.texi: Mention noavx512f, noavx512cd, noavx512er,
	noavx512pf, noavx512dq, noavx512bw, noavx512vl, noavx512ifma
	and noavx512vbmi.
	* testsuite/gas/i386/i386.exp: Run noavx512-1 and noavx512-2.
	* testsuite/gas/i386/noavx512-1.l: New file.
	* testsuite/gas/i386/noavx512-1.s: Likewise.
	* testsuite/gas/i386/noavx512-2.l: Likewise.
	* testsuite/gas/i386/noavx512-2.s: Likewise.

opcodes/

	PR gas/20145
	* i386-gen.c (cpu_flag_init): Add CPU_ANY_AVX512F_FLAGS,
	CPU_ANY_AVX512CD_FLAGS, CPU_ANY_AVX512ER_FLAGS,
	CPU_ANY_AVX512PF_FLAGS, CPU_ANY_AVX512DQ_FLAGS,
	CPU_ANY_AVX512BW_FLAGS, CPU_ANY_AVX512VL_FLAGS,
	CPU_ANY_AVX512IFMA_FLAGS and CPU_ANY_AVX512VBMI_FLAGS.
	* i386-init.h: Regenerated.