arm: dts: rockchip: rk3568: Enable sdhci and sdmmc0 node

Enable sdhci and sdmmc0 node in rk3568-u-boot.dtsi

Signed-off-by: Nico Cheng <nico.cheng@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/rk3568-u-boot.dtsi b/arch/arm/dts/rk3568-u-boot.dtsi
index 1570f13..5a80dda 100644
--- a/arch/arm/dts/rk3568-u-boot.dtsi
+++ b/arch/arm/dts/rk3568-u-boot.dtsi
@@ -9,6 +9,10 @@
 		mmc1 = &sdmmc0;
 	};
 
+	chosen {
+		u-boot,spl-boot-order = &sdhci, &sdmmc0;
+	};
+
 	dmc: dmc {
 		compatible = "rockchip,rk3568-dmc";
 		u-boot,dm-pre-reloc;
@@ -35,3 +39,16 @@
 	u-boot,dm-pre-reloc;
 	status = "okay";
 };
+
+&sdmmc0 {
+	u-boot,dm-spl;
+	status = "okay";
+};
+
+&sdhci {
+	bus-width = <8>;
+	u-boot,dm-spl;
+	mmc-hs200-1_8v;
+	status = "okay";
+};
+