dm: dts: Convert driver model tags to use new schema

Now that Linux has accepted these tags, move the device tree files in
U-Boot over to use them.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/dts/rk3188-radxarock-u-boot.dtsi b/arch/arm/dts/rk3188-radxarock-u-boot.dtsi
index 9c9016d..fe6aba7 100644
--- a/arch/arm/dts/rk3188-radxarock-u-boot.dtsi
+++ b/arch/arm/dts/rk3188-radxarock-u-boot.dtsi
@@ -13,12 +13,12 @@
 
 	config {
 		u-boot,boot-led = "rock:red:power";
-		u-boot,dm-pre-reloc;
+		bootph-all;
 	};
 };
 
 &cru {
-	u-boot,dm-spl;
+	bootph-pre-ram;
 };
 
 &dmc {
@@ -48,15 +48,15 @@
 };
 
 &pinctrl {
-	u-boot,dm-spl;
+	bootph-pre-ram;
 };
 
 &timer3 {
 	compatible = "rockchip,rk3368-timer", "rockchip,rk3288-timer";
 	clock-frequency = <24000000>;
-	u-boot,dm-spl;
+	bootph-pre-ram;
 };
 
 &uart2 {
-	u-boot,dm-spl;
+	bootph-pre-ram;
 };