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/s700-u-boot.dtsi b/arch/arm/dts/s700-u-boot.dtsi
index 3c3396b..d21baf1 100644
--- a/arch/arm/dts/s700-u-boot.dtsi
+++ b/arch/arm/dts/s700-u-boot.dtsi
@@ -5,7 +5,7 @@
 
 /{
 	soc {
-		u-boot,dm-pre-reloc;
+		bootph-all;
 
 		gmac:  ethernet@e0220000 {
 			compatible = "actions,s700-ethernet";
@@ -33,9 +33,9 @@
 };
 
 &uart3 {
-	u-boot,dm-pre-reloc;
+	bootph-all;
 };
 
 &cmu {
-	u-boot,dm-pre-reloc;
+	bootph-all;
 };