ARM: imx_v6_v7_defconfig: Select max11801_ts touchscreen driver

Select CONFIG_TOUCHSCREEN_MAX11801 so that we can have touchscreen
funtionality by default on Engicam i.CoreM6 Quad boards.

Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: NJagan Teki <jagan@amarulasolutions.com>

arch/arm/configs/imx_v6_v7_defconfig

@@ -165,6 +165,7 @@ CONFIG_TOUCHSCREEN_ADS7846=y
 CONFIG_TOUCHSCREEN_EGALAX=y
 CONFIG_TOUCHSCREEN_IMX6UL_TSC=y
 CONFIG_TOUCHSCREEN_EDT_FT5X06=y
+CONFIG_TOUCHSCREEN_MAX11801=y
 CONFIG_TOUCHSCREEN_MC13783=y
 CONFIG_TOUCHSCREEN_TSC2004=y
 CONFIG_TOUCHSCREEN_TSC2007=y