ARM: pm: add generic CPU suspend/resume support

This adds core support for saving and restoring CPU coprocessor
registers for suspend/resume support.  This contains support for suspend
with ARM920, ARM926, SA11x0, PXA25x, PXA27x, PXA3xx, V6 and V7 CPUs.
Tested on Assabet and Tegra 2.

Tested-by: Colin Cross <ccross@android.com>
Tested-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mm/proc-fa526.S

@@ -195,6 +195,9 @@ fa526_processor_functions:
 	.word	cpu_fa526_dcache_clean_area
 	.word	cpu_fa526_switch_mm
 	.word	cpu_fa526_set_pte_ext
+	.word	0
+	.word	0
+	.word	0
 	.size	fa526_processor_functions, . - fa526_processor_functions
 
 	.section ".rodata"