ARM: S3C64XX: Add keypad device to the SMDK6410 board

This patch is to support keypad device to the SMDK6410 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-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile
index aa5c367..48d3dfa 100644
--- a/arch/arm/mach-s3c64xx/Makefile
+++ b/arch/arm/mach-s3c64xx/Makefile
@@ -36,6 +36,7 @@
 obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o
 obj-$(CONFIG_S3C64XX_SETUP_I2C1) += setup-i2c1.o
 obj-$(CONFIG_S3C64XX_SETUP_IDE) += setup-ide.o
+obj-$(CONFIG_S3C64XX_SETUP_KEYPAD) += setup-keypad.o
 obj-$(CONFIG_S3C64XX_SETUP_SDHCI) += setup-sdhci.o
 obj-$(CONFIG_S3C64XX_SETUP_FB_24BPP) += setup-fb-24bpp.o
 obj-$(CONFIG_S3C64XX_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o