avr32: Move sleep code into mach-at32ap

Create a new file, pm-at32ap700x.S, in mach-at32ap and move the CPU
idle sleep code there. Make it possible to disable the sleep code.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

arch/avr32/kernel/entry-avr32b.S

@@ -741,26 +741,6 @@ irq_level\level:
 
 	.section .irq.text,"ax",@progbits
 
-.global cpu_idle_sleep
-cpu_idle_sleep:
-	mask_interrupts
-	get_thread_info r8
-	ld.w	r9, r8[TI_flags]
-	bld	r9, TIF_NEED_RESCHED
-	brcs	cpu_idle_enable_int_and_exit
-	sbr	r9, TIF_CPU_GOING_TO_SLEEP
-	st.w	r8[TI_flags], r9
-	unmask_interrupts
-	sleep 0
-cpu_idle_skip_sleep:
-	mask_interrupts
-	ld.w	r9, r8[TI_flags]
-	cbr	r9, TIF_CPU_GOING_TO_SLEEP
-	st.w	r8[TI_flags], r9
-cpu_idle_enable_int_and_exit:
-	unmask_interrupts
-	retal	r12
-
 	.global	irq_level0
 	.global	irq_level1
 	.global	irq_level2

arch/avr32/kernel/process.c

@@ -18,11 +18,11 @@
 #include <asm/sysreg.h>
 #include <asm/ocd.h>
 
+#include <asm/arch/pm.h>
+
 void (*pm_power_off)(void) = NULL;
 EXPORT_SYMBOL(pm_power_off);
 
-extern void cpu_idle_sleep(void);
-
 /*
  * This file handles the architecture-dependent parts of process handling..
  */