ARM: configs: at91: add generic resistive touchscreen to sama5

Add generic resistive touchscreen CONFIG_TOUCHSCREEN_ADC to sama5_defconfig
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

arch/arm/configs/sama5_defconfig

@@ -116,6 +116,7 @@ CONFIG_KEYBOARD_QT1070=y
 CONFIG_KEYBOARD_GPIO=y
 # CONFIG_INPUT_MOUSE is not set
 CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_TOUCHSCREEN_ADC=y
 CONFIG_TOUCHSCREEN_ATMEL_MXT=y
 # CONFIG_SERIO is not set
 CONFIG_LEGACY_PTY_COUNT=4