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/keystone-k2g-generic-u-boot.dtsi b/arch/arm/dts/keystone-k2g-generic-u-boot.dtsi
index 80f1f60..8e4b36c 100644
--- a/arch/arm/dts/keystone-k2g-generic-u-boot.dtsi
+++ b/arch/arm/dts/keystone-k2g-generic-u-boot.dtsi
@@ -5,14 +5,14 @@
 
 /{
 	soc {
-		u-boot,dm-pre-reloc;
+		bootph-all;
 	};
 };
 
 &i2c0 {
-	u-boot,dm-pre-reloc;
+	bootph-all;
 };
 
 &i2c1 {
-	u-boot,dm-pre-reloc;
+	bootph-all;
 };