arm-arches.def: Add "armv6kz".

arm-arches.def: Add "armv6kz".

2015-07-27  Matthew Wahab  <matthew.wahab@arm.com>

	* config/arm/arm-arches.def: Add "armv6kz". Replace 6ZK with 6KZ
	and FL_FOR_ARCH6ZK with FL_FOR_ARCH6KZ.
	* config/arm/arm-c.c (arm_cpu_builtins): Emit "__ARM_ARCH_6ZK__"
	for armv6kz targets.
	* config/arm/arm-cores.def: Replace 6ZK with 6KZ.
	* config/arm/arm-protos.h (FL_ARCH6KZ): New.
	(FL_FOR_ARCH6ZK): Remove.
	(FL_FOR_ARCH6KZ): New.
	(arm_arch6zk): New declaration.
	* config/arm/arm-tables.opt: Regenerate.
	* config/arm/arm.c (arm_arch6kz): New.
	(arm_option_override): Set arm_arch6kz.
	* config/arm/arm.h (BASE_ARCH_6ZK): Rename to BASE_ARCH_6KZ.
	* config/arm/driver-arm.c: Add comment to "armv6zk" entry.
        * doc/invoke.texi: Replace "armv6zk" with "armv6kz".

From-SVN: r226243