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/rk3229-evb-u-boot.dtsi b/arch/arm/dts/rk3229-evb-u-boot.dtsi
index b65149c..4a4e4cc 100644
--- a/arch/arm/dts/rk3229-evb-u-boot.dtsi
+++ b/arch/arm/dts/rk3229-evb-u-boot.dtsi
@@ -20,9 +20,9 @@
 };
 
 &emmc {
-	u-boot,dm-pre-reloc;
+	bootph-all;
 };
 
 &uart2 {
-	u-boot,dm-pre-reloc;
+	bootph-all;
 };