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/x86/dts/cougarcanyon2.dts b/arch/x86/dts/cougarcanyon2.dts
index 58395b5..4833aab 100644
--- a/arch/x86/dts/cougarcanyon2.dts
+++ b/arch/x86/dts/cougarcanyon2.dts
@@ -92,7 +92,7 @@
 		#address-cells = <3>;
 		#size-cells = <2>;
 		compatible = "pci-x86";
-		u-boot,dm-pre-reloc;
+		bootph-all;
 		ranges = <0x02000000 0x0 0xc0000000 0xc0000000 0 0x10000000
 			  0x42000000 0x0 0xd0000000 0xd0000000 0 0x10000000
 			  0x01000000 0x0 0x2000 0x2000 0 0xe000>;
@@ -100,7 +100,7 @@
 		pch@1f,0 {
 			reg = <0x0000f800 0 0 0 0>;
 			compatible = "intel,bd82x6x";
-			u-boot,dm-pre-reloc;
+			bootph-all;
 			#address-cells = <1>;
 			#size-cells = <1>;
 
@@ -164,21 +164,21 @@
 
 			gpioa {
 				compatible = "intel,ich6-gpio";
-				u-boot,dm-pre-reloc;
+				bootph-all;
 				reg = <0 0x10>;
 				bank-name = "A";
 			};
 
 			gpiob {
 				compatible = "intel,ich6-gpio";
-				u-boot,dm-pre-reloc;
+				bootph-all;
 				reg = <0x30 0x10>;
 				bank-name = "B";
 			};
 
 			gpioc {
 				compatible = "intel,ich6-gpio";
-				u-boot,dm-pre-reloc;
+				bootph-all;
 				reg = <0x40 0x10>;
 				bank-name = "C";
 			};