ARM: shmobile: kzm9g: enable three-axis digital accelerometer ADXL345

This patch enables three-axis digital accelerometer ADXL345.
Test:
  sudo cat /dev/input/event2
then tip up the board. You get something from /dev/input/event2.

Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
Signed-off-by: Simon Horman <horms@verge.net.au>
diff --git a/arch/arm/configs/kzm9g_defconfig b/arch/arm/configs/kzm9g_defconfig
index 1404b04..ce99e3e 100644
--- a/arch/arm/configs/kzm9g_defconfig
+++ b/arch/arm/configs/kzm9g_defconfig
@@ -74,6 +74,8 @@
 # CONFIG_INPUT_MOUSE is not set
 CONFIG_INPUT_TOUCHSCREEN=y
 CONFIG_TOUCHSCREEN_ST1232=y
+CONFIG_INPUT_MISC=y
+CONFIG_INPUT_ADXL34X=y
 # CONFIG_LEGACY_PTYS is not set
 CONFIG_SERIAL_SH_SCI=y
 CONFIG_SERIAL_SH_SCI_NR_UARTS=9