* config/tc-mips.c (macro_build): Add case 'k' to handle cache
	instruction.
	(macro): Add new case M_CACHE_AB.

	[ opcodes/ChangeLog ]
	* mips-opc.c: Add macro for cache instruction.

	[ include/opcode/ChangeLog ]
	* mips.h (enum): Add macro M_CACHE_AB.