ARM: dts: rockchip: enable sdmmc for rv1108 evb

Enable sdmmc on rv1108 evaluation board. Also
add pinctrl for sdmmc controller.
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rv1108-evb.dts

@@ -56,6 +56,10 @@ chosen {
 	};
 };
 
+&sdmmc {
+	status = "okay";
+};
+
 &uart0 {
 	status = "okay";
 };

arch/arm/boot/dts/rv1108.dtsi

@@ -203,6 +203,8 @@ sdmmc: dwmmc@30130000 {
 			 <&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>;
 		clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
 		fifo-depth = <0x100>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_bus4>;
 		interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
 		reg = <0x30130000 0x4000>;
 		status = "disabled";