ARM: configs: at91: add generic adc touchscreen to sama5_defconfig

Add generic ADC touchscreen driver to sama5_defconfig

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>

Author: ehristev

arch/arm/configs/sama5_defconfig

@@ -143,6 +143,7 @@ CONFIG_KEYBOARD_GPIO=y
 # CONFIG_INPUT_MOUSE is not set
 CONFIG_INPUT_TOUCHSCREEN=y
 CONFIG_TOUCHSCREEN_ATMEL_MXT=y
+CONFIG_TOUCHSCREEN_ADC=y
 CONFIG_INPUT_MISC=y
 CONFIG_INPUT_ATMEL_PTC=m
 # CONFIG_SERIO is not set