ARM: S5PV210: Add keypad device helpers

This patch adds the keypad device platform helpers for S5PV210 cpu.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index e65825f..1244d61 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -37,6 +37,11 @@
 	help
           Common setup code for S5PV210 with an 24bpp RGB display helper.
 
+config S5PV210_SETUP_KEYPAD
+	bool
+	help
+	  Common setup code for keypad.
+
 config S5PV210_SETUP_SDHCI
         bool
         select S5PV210_SETUP_SDHCI_GPIO