ix86: Disable AVX512F when disabling AVX2

ix86: Disable AVX512F when disabling AVX2

Since AVX2 is required for AVX512F, we should disable AVX512F when AVX2
is disabled.

gas/

	PR gas/24359
	* testsuite/gas/i386/i386.exp: Change optimize-6a, optimize-7,
	x86-64-optimize-7a and x86-64-optimize-8 tests to run_list_test.
	Remove optimize-6c and x86-64-optimize-7c tests.
	* testsuite/gas/i386/noavx-3.l: Updated.
	* testsuite/gas/i386/noavx-4.d: Likewise.
	* testsuite/gas/i386/noavx-5.d: Likewise.
	* testsuite/gas/i386/noavx-3.s: Add AVX512F tests.
	* testsuite/gas/i386/noavx-4.s: Remove AVX512F tests.
	* testsuite/gas/i386/nosse-5.s: Likewise.
	* testsuite/gas/i386/optimize-6a.d: Removed.
	* testsuite/gas/i386/optimize-6c.d: Likewise.
	* testsuite/gas/i386/optimize-7.d: Likewise.
	* testsuite/gas/i386/x86-64-optimize-7a.d: Likewise.
	* testsuite/gas/i386/x86-64-optimize-7c.d: Likewise.
	* testsuite/gas/i386/x86-64-optimize-8.d: Likewise.
	* testsuite/gas/i386/optimize-6a.l: New file.
	* testsuite/gas/i386/optimize-6a.s: Likewise.
	* testsuite/gas/i386/optimize-7.l: Likewise.
	* testsuite/gas/i386/x86-64-optimize-7a.l: Likewise.
	* testsuite/gas/i386/x86-64-optimize-7a.s: Likewise.
	* testsuite/gas/i386/x86-64-optimize-8.l: Likewise.

opcodes/

	PR gas/24359
	* i386-gen.c (cpu_flag_init): Add CPU_ANY_AVX512F_FLAGS to
	CPU_ANY_AVX2_FLAGS.
	* i386-init.h: Regenerated.