ARM: imx_v6_v7_defconfig: Select CONFIG_TOUCHSCREEN_EGALAX

egalax touchscren controller is present on mx6 sabresd/sabrelite, so let's
enable it by default.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig
index f1662d3..9e15992 100644
--- a/arch/arm/configs/imx_v6_v7_defconfig
+++ b/arch/arm/configs/imx_v6_v7_defconfig
@@ -127,6 +127,7 @@
 CONFIG_MOUSE_PS2=m
 CONFIG_MOUSE_PS2_ELANTECH=y
 CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_TOUCHSCREEN_EGALAX=y
 CONFIG_TOUCHSCREEN_MC13783=y
 CONFIG_INPUT_MISC=y
 CONFIG_INPUT_MMA8450=y