The board has an external pull-up on the card-detect signal, so there's no
need to add another one.
This also removes a DTC warning.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
 
 &mmc0 {
        pinctrl-names = "default";
-       pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_cubieboard4>;
+       pinctrl-0 = <&mmc0_pins>;
        vmmc-supply = <®_dcdc1>;
        bus-width = <4>;
        cd-gpios = <&pio 7 18 GPIO_ACTIVE_HIGH>; /* PH18 */
        clocks = <&ac100_rtc 0>;
 };
 
-&pio {
-       mmc0_cd_pin_cubieboard4: mmc0_cd_pin@0 {
-               pins = "PH18";
-               function = "gpio_in";
-               bias-pull-up;
-       };
-};
-
 &r_ir {
        status = "okay";
 };