ARM: EXYNOS4: Add keypad device to the SMDKV310

This patch is to support keypad device to the SMDKV310 board.

Signed-off-by: Naveen Krishna Ch <ch.naveen@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
index 8a007cc..a021b52 100644
--- a/arch/arm/mach-exynos4/Kconfig
+++ b/arch/arm/mach-exynos4/Kconfig
@@ -117,9 +117,11 @@
 	select S3C_DEV_HSMMC1
 	select S3C_DEV_HSMMC2
 	select S3C_DEV_HSMMC3
+	select SAMSUNG_DEV_KEYPAD
 	select EXYNOS4_DEV_PD
 	select EXYNOS4_DEV_SYSMMU
 	select EXYNOS4_SETUP_I2C1
+	select EXYNOS4_SETUP_KEYPAD
 	select EXYNOS4_SETUP_SDHCI
 	help
 	  Machine support for Samsung SMDKV310