[ARM] Add Cortex-A17 support

[ARM] Add Cortex-A17 support

	* config/arm/arm.md (generic_sched): Specify cortexa17 in 'no' list.
	Include cortex-a17.md.
	* config/arm/arm.c (arm_issue_rate): Specify 2 for cortexa17.
	* config/arm/arm-cores.def (cortex-a17): New entry.
	* config/arm/arm-tables.opt: Regenerate.
	* config/arm/arm-tune.md: Regenerate.
	* config/arm/bpabi.h (BE8_LINK_SPEC): Specify mcpu=cortex-a17.
	* config/arm/cortex-a17.md: New file.
	* config/arm/cortex-a17-neon.md: New file.
	* config/arm/driver-arm.c (arm_cpu_table): Add entry for cortex-a17.
	* config/arm/t-aprofile: Add cortex-a17 entries to MULTILIB_MATCHES.

From-SVN: r218145