ARM: dts: rockchip: add rk3066/rk3188 dw-mmc resets

dw-mmc got its reset-properties specified, so add the softresets
for it in rk3066/rk3188.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviwed-by: Shawn Lin <shawn.lin@rock-chips.com>

arch/arm/boot/dts/rk3xxx.dtsi

@@ -224,6 +224,8 @@ mmc0: dwmmc@10214000 {
 		clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>;
 		clock-names = "biu", "ciu";
 		fifo-depth = <256>;
+		resets = <&cru SRST_SDMMC>;
+		reset-names = "reset";
 		status = "disabled";
 	};
 
@@ -234,6 +236,8 @@ mmc1: dwmmc@10218000 {
 		clocks = <&cru HCLK_SDIO>, <&cru SCLK_SDIO>;
 		clock-names = "biu", "ciu";
 		fifo-depth = <256>;
+		resets = <&cru SRST_SDIO>;
+		reset-names = "reset";
 		status = "disabled";
 	};
 
@@ -244,6 +248,8 @@ emmc: dwmmc@1021c000 {
 		clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>;
 		clock-names = "biu", "ciu";
 		fifo-depth = <256>;
+		resets = <&cru SRST_EMMC>;
+		reset-names = "reset";
 		status = "disabled";
 	};