arm64: dts: imx8mq-librem5: Move usdhc clocks assignment to board DT

According to commit e045f044 ("arm64: dts: imx8mq: Move usdhc clocks
assignment to board DT") add the clocks assignment to imx8mq-librem5.dtsi
too.

Fixes: e045f044 ("arm64: dts: imx8mq: Move usdhc clocks assignment to board DT")
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi

@@ -1082,6 +1082,8 @@ mass-storage@1 {
 };
 
 &usdhc1 {
+	assigned-clocks = <&clk IMX8MQ_CLK_USDHC1>;
+	assigned-clock-rates = <400000000>;
 	pinctrl-names = "default", "state_100mhz", "state_200mhz";
 	pinctrl-0 = <&pinctrl_usdhc1>;
 	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
@@ -1094,6 +1096,8 @@ &usdhc1 {
 };
 
 &usdhc2 {
+	assigned-clocks = <&clk IMX8MQ_CLK_USDHC2>;
+	assigned-clock-rates = <200000000>;
 	pinctrl-names = "default", "state_100mhz", "state_200mhz";
 	pinctrl-0 = <&pinctrl_usdhc2>;
 	pinctrl-1 = <&pinctrl_usdhc2_100mhz>;