ARM: dts: imx6qdl-apalis/-colibri: disable read-only switch

Use the disable-wp to indicate that Apalis and Colibri iMX6 do not
make use of the native write-protect signal available on the i.MX 6
SoCs. This prevents warnings:
  mmc0: host does not support reading read-only switch, assuming write-enable
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6qdl-apalis.dtsi

@@ -457,6 +457,7 @@ &usdhc1 {
 	pinctrl-0 = <&pinctrl_usdhc1_4bit &pinctrl_usdhc1_8bit>;
 	vqmmc-supply = <&reg_3p3v>;
 	bus-width = <8>;
+	disable-wp;
 	no-1-8-v;
 	status = "disabled";
 };
@@ -467,6 +468,7 @@ &usdhc2 {
 	pinctrl-0 = <&pinctrl_usdhc2>;
 	vqmmc-supply = <&reg_3p3v>;
 	bus-width = <4>;
+	disable-wp;
 	no-1-8-v;
 	status = "disabled";
 };

arch/arm/boot/dts/imx6qdl-colibri.dtsi

@@ -387,6 +387,7 @@ &usdhc1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usdhc1 &pinctrl_mmc_cd>;
 	cd-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>; /* MMCD */
+	disable-wp;
 	vqmmc-supply = <&reg_3p3v>;
 	bus-width = <4>;
 	no-1-8-v;