[ARM] S3C2412: Add missing cache flush in suspend code

The alterations to the suspend code missed adding a
call to the cache flushing routines during the suspend
path of the S3C2412.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

arch/arm/mach-s3c2412/pm.c

@@ -21,6 +21,7 @@
 #include <linux/io.h>
 
 #include <mach/hardware.h>
+#include <asm/cacheflush.h>
 #include <asm/irq.h>
 
 #include <mach/regs-power.h>
@@ -39,6 +40,8 @@ static void s3c2412_cpu_suspend(void)
 {
 	unsigned long tmp;
 
+	flush_cache_all();
+
 	/* set our standby method to sleep */
 
 	tmp = __raw_readl(S3C2412_PWRCFG);