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/imx6q-display5-u-boot.dtsi b/arch/arm/dts/imx6q-display5-u-boot.dtsi
index ced4dac..dbe0ef7 100644
--- a/arch/arm/dts/imx6q-display5-u-boot.dtsi
+++ b/arch/arm/dts/imx6q-display5-u-boot.dtsi
@@ -21,10 +21,10 @@
 	};
 
 	soc {
-		u-boot,dm-pre-reloc;
+		bootph-all;
 
 		bus@2100000 {
-			u-boot,dm-pre-reloc;
+			bootph-all;
 		};
 	};
 
@@ -45,5 +45,5 @@
 };
 
 &uart5 {
-	u-boot,dm-pre-reloc;
+	bootph-all;
 };