x86: Don't allow KMOV in TLS code sequences

Don't allow KMOV in TLS code sequences which require integer MOV
instructions.

	PR target/28595
	* config/tc-i386.c (match_template): Don't allow KMOV in TLS
	code sequences.
	* testsuite/gas/i386/i386.exp: Run inval-tls and x86-64-inval-tls
	tests.
	* testsuite/gas/i386/inval-tls.l: New file.
	* testsuite/gas/i386/inval-tls.s: Likewise.
	* testsuite/gas/i386/x86-64-inval-tls.l: Likewise.
	* testsuite/gas/i386/x86-64-inval-tls.s: Likewise.