ARM: imx_v6_v7_defconfig: Enable STMPE gpio support

Enable STMPE gpio support as this is used on MX6 Data Modul edm-qmx6
board.
Signed-off-by: Silvio Fricke <silvio.fricke@gmail.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

arch/arm/configs/imx_v6_v7_defconfig

@@ -162,6 +162,7 @@ CONFIG_SPI=y
 CONFIG_SPI_IMX=y
 CONFIG_GPIO_SYSFS=y
 CONFIG_GPIO_MC9S08DZ60=y
+CONFIG_GPIO_STMPE=y
 # CONFIG_HWMON is not set
 CONFIG_WATCHDOG=y
 CONFIG_IMX2_WDT=y