ARM: dts: imx6qdl-icore-rqs: Use the 'vmmc-supply' property

'vmcc-supply' is not a valid property.

Use 'vmmc-supply' supply instead.
Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6qdl-icore-rqs.dtsi

@@ -262,7 +262,7 @@ &usdhc3 {
 	pinctrl-0 = <&pinctrl_usdhc3>;
 	pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
 	pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
-	vmcc-supply = <&reg_sd3_vmmc>;
+	vmmc-supply = <&reg_sd3_vmmc>;
 	cd-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
 	bus-width = <4>;
 	no-1-8-v;
@@ -274,7 +274,7 @@ &usdhc4 {
 	pinctrl-0 = <&pinctrl_usdhc4>;
 	pinctrl-1 = <&pinctrl_usdhc4_100mhz>;
 	pinctrl-2 = <&pinctrl_usdhc4_200mhz>;
-	vmcc-supply = <&reg_sd4_vmmc>;
+	vmmc-supply = <&reg_sd4_vmmc>;
 	bus-width = <8>;
 	no-1-8-v;
 	non-removable;