GPIO7_IO00 is used as SD card detect.
Properly describe this in the devicetree.
Fixes: 40cdaa542cf0 ("ARM: dts: imx6q-udoo: Add initial board support")
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
  * Author: Fabio Estevam <fabio.estevam@freescale.com>
  */
 
+#include <dt-bindings/gpio/gpio.h>
+
 / {
        aliases {
                backlight = &backlight;
                                MX6QDL_PAD_SD3_DAT1__SD3_DATA1          0x17059
                                MX6QDL_PAD_SD3_DAT2__SD3_DATA2          0x17059
                                MX6QDL_PAD_SD3_DAT3__SD3_DATA3          0x17059
+                               MX6QDL_PAD_SD3_DAT5__GPIO7_IO00         0x1b0b0
                        >;
                };
 
 &usdhc3 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_usdhc3>;
-       non-removable;
+       cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>;
        status = "okay";
 };