defconfig: 8930: Enable gpio-keys driver

For funcationality of volume up/down and camera
snapshot/focus keys.

Change-Id: I93ce7dbf5c4b1928fd73a0f0061cbfdabd30605f
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>
diff --git a/arch/arm/configs/msm8960_defconfig b/arch/arm/configs/msm8960_defconfig
index 6248c98..3337d06 100644
--- a/arch/arm/configs/msm8960_defconfig
+++ b/arch/arm/configs/msm8960_defconfig
@@ -255,6 +255,7 @@
 CONFIG_MSM_RMNET_BAM=y
 CONFIG_INPUT_EVDEV=y
 CONFIG_INPUT_EVBUG=m
+CONFIG_KEYBOARD_GPIO=y
 CONFIG_KEYBOARD_PMIC8XXX=y
 CONFIG_INPUT_JOYSTICK=y
 CONFIG_INPUT_TOUCHSCREEN=y