ARM: configs: stm32: STMPE1600 GPIO expander

Enable STMPE1600 GPIO expander.
Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>

arch/arm/configs/stm32_defconfig

@@ -54,6 +54,8 @@ CONFIG_I2C_STM32F4=y
 # CONFIG_HWMON is not set
 CONFIG_WATCHDOG=y
 CONFIG_REGULATOR=y
+CONFIG_GPIO_STMPE=y
+CONFIG_MFD_STMPE=y
 CONFIG_REGULATOR_FIXED_VOLTAGE=y
 # CONFIG_USB_SUPPORT is not set
 CONFIG_NEW_LEDS=y