ARM: pxa168: added keypad support

Signed-off-by: Mark F. Brown <mark.brown314@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 9cc488d2..aa037fe 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -338,7 +338,7 @@
 
 config KEYBOARD_PXA27x
 	tristate "PXA27x/PXA3xx keypad support"
-	depends on PXA27x || PXA3xx
+	depends on PXA27x || PXA3xx || ARCH_MMP
 	help
 	  Enable support for PXA27x/PXA3xx keypad controller.