ARM: dts: imx6qdl: Fix typo in imx6qdl-icore-rqs.dtsi

This patch fixes a spelling typo.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Fixes: cc42603d ("ARM: dts: imx6q-icore-rqs: Add Engicam IMX6 Q7 initial support")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

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

@@ -264,7 +264,7 @@ &usdhc3 {
 	pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
 	vmcc-supply = <&reg_sd3_vmmc>;
 	cd-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
-	bus-witdh = <4>;
+	bus-width = <4>;
 	no-1-8-v;
 	status = "okay";
 };
@@ -275,7 +275,7 @@ &usdhc4 {
 	pinctrl-1 = <&pinctrl_usdhc4_100mhz>;
 	pinctrl-2 = <&pinctrl_usdhc4_200mhz>;
 	vmcc-supply = <&reg_sd4_vmmc>;
-	bus-witdh = <8>;
+	bus-width = <8>;
 	no-1-8-v;
 	non-removable;
 	status = "okay";