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/stm32f746-disco-u-boot.dtsi b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
index a4ce936..19b5451 100644
--- a/arch/arm/dts/stm32f746-disco-u-boot.dtsi
+++ b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
@@ -73,7 +73,7 @@
 			pinctrl-0 = <&ltdc_pins>;
 
 			status = "okay";
-			u-boot,dm-pre-reloc;
+			bootph-all;
 		};
 	};
 };
@@ -81,7 +81,7 @@
 &fmc {
 	/* Memory configuration from sdram datasheet MT48LC_4M32_B2B5-6A */
 	bank1: bank@0 {
-		u-boot,dm-pre-reloc;
+		bootph-all;
 		st,sdram-control = /bits/ 8 <NO_COL_8
 					     NO_ROW_12
 					     MWIDTH_16
@@ -213,18 +213,18 @@
 	};
 
 	usart1_pins_b: usart1-1	{
-		u-boot,dm-pre-reloc;
+		bootph-all;
 		pins1 {
-			u-boot,dm-pre-reloc;
+			bootph-all;
 		};
 		pins2 {
-			u-boot,dm-pre-reloc;
+			bootph-all;
 		};
 	};
 };
 
 &pwrcfg {
-	u-boot,dm-pre-reloc;
+	bootph-all;
 };
 
 &qspi {