ARM: S3C64XX: Add RTC support for S3C64XX

This patch adds support for RTC for SMDK6410.

Signed-off-by: Atul Dahiya <atul.dahiya@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
index 12f063b..3b632e4 100644
--- a/arch/arm/mach-s3c64xx/Kconfig
+++ b/arch/arm/mach-s3c64xx/Kconfig
@@ -102,6 +102,7 @@
 	select S3C_DEV_I2C1
 	select SAMSUNG_DEV_IDE
 	select S3C_DEV_FB
+	select S3C_DEV_RTC
 	select SAMSUNG_DEV_TS
 	select S3C_DEV_USB_HOST
 	select S3C_DEV_USB_HSOTG
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
index 0d7d93f..7fd38e9 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
@@ -271,6 +271,7 @@
 	&smdk6410_smsc911x,
 	&s3c_device_adc,
 	&s3c_device_cfcon,
+	&s3c_device_rtc,
 	&s3c_device_ts,
 	&s3c_device_wdt,
 };