dts: rk3399: enable dwmmc for sdcard

rk3399 sdcard is using dwmmc controller, enable it for sdcard.
SCLK_SDMMC is the clock for controller operation clock, move it
to the first place.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>

arch/arm/dts/rk3399-evb.dts

@@ -61,6 +61,10 @@
 	status = "okay";
 };
 
+&sdmmc {
+	status = "okay";
+};
+
 &sdhci {
 	bus-width = <8>;
 	mmc-hs400-1_8v;

arch/arm/dts/rk3399.dtsi

@@ -172,9 +172,9 @@
 		reg = <0x0 0xfe320000 0x0 0x4000>;
 		interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>;
 		clock-freq-min-max = <400000 150000000>;
-		clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>,
+		clocks = <&cru SCLK_SDMMC>, <&cru HCLK_SDMMC>,
 			 <&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>;
-		clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
+		clock-names = "ciu", "biu", "ciu-drive", "ciu-sample";
 		fifo-depth = <0x100>;
 		status = "disabled";
 	};