ARM: dts: rockchip: add rk322x dw-mmc resets

dw-mmc got its reset-properties specified, so add the softresets
for it in rk3228/rk3229.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviwed-by: Shawn Lin <shawn.lin@rock-chips.com>

arch/arm/boot/dts/rk322x.dtsi

@@ -414,6 +414,8 @@ emmc: dwmmc@30020000 {
 		fifo-depth = <0x100>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
+		resets = <&cru SRST_EMMC>;
+		reset-names = "reset";
 		status = "disabled";
 	};