ARM: S3C64XX: use static declaration when it is not used in other files

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-s3c64xx/irq-pm.c

@@ -96,7 +96,7 @@ static void s3c64xx_irq_pm_resume(void)
 	S3C_PMDBG("%s: IRQ configuration restored\n", __func__);
 }
 
-struct syscore_ops s3c64xx_irq_syscore_ops = {
+static struct syscore_ops s3c64xx_irq_syscore_ops = {
 	.suspend = s3c64xx_irq_pm_suspend,
 	.resume	 = s3c64xx_irq_pm_resume,
 };