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/at91sam9g45-gurnard.dts b/arch/arm/dts/at91sam9g45-gurnard.dts
index 2bc55f0..cf0c19c 100644
--- a/arch/arm/dts/at91sam9g45-gurnard.dts
+++ b/arch/arm/dts/at91sam9g45-gurnard.dts
@@ -32,10 +32,10 @@
 	};
 
 	ahb {
-		u-boot,dm-pre-reloc;
+		bootph-all;
 
 		fb@0x00500000 {
-			u-boot,dm-pre-reloc;
+			bootph-all;
 			status = "okay";
 			display-timings {
 				rev1 {