ARM: pm: sa1100: move cpu_suspend into C code

We don't need a veneer for cpu_suspend, it can be called directly from
C code now.  Move it into sa11x0_pm_enter() along with the re-enabling
of clock switching.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-sa1100/pm.c

@@ -32,7 +32,7 @@
 #include <asm/system.h>
 #include <asm/mach/time.h>
 
-extern void sa1100_cpu_suspend(long);
+extern void sa1100_finish_suspend(unsigned long);
 
 #define SAVE(x)		sleep_save[SLEEP_SAVE_##x] = x
 #define RESTORE(x)	x = sleep_save[SLEEP_SAVE_##x]
@@ -75,7 +75,7 @@ static int sa11x0_pm_enter(suspend_state_t state)
 	PSPR = virt_to_phys(cpu_resume);
 
 	/* go zzz */
-	sa1100_cpu_suspend(PLAT_PHYS_OFFSET - PAGE_OFFSET);
+	cpu_suspend(0, PHYS_OFFSET - PAGE_OFFSET, 0, sa1100_finish_suspend);
 
 	/*
 	 * Ensure not to come back here if it wasn't intended

arch/arm/mach-sa1100/sleep.S

@@ -22,20 +22,13 @@
 
 		.text
 /*
- * sa1100_cpu_suspend()
+ * sa1100_finish_suspend()
  *
  * Causes sa11x0 to enter sleep state
  *
  */
 
-ENTRY(sa1100_cpu_suspend)
-	stmfd	sp!, {r4 - r12, lr}		@ save registers on stack
-	mov	r1, r0
-	adr	r3, BSYM(sa1100_finish_suspend)
-	bl	cpu_suspend
-	ldmfd	sp!, {r4 - r12, pc}		@ return to caller
-
-sa1100_finish_suspend:
+ENTRY(sa1100_finish_suspend)
 	@ disable clock switching
 	mcr	p15, 0, r1, c15, c2, 2