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/cherryhill.dts b/arch/x86/dts/cherryhill.dts
index 7a27367..3d35e46 100644
--- a/arch/x86/dts/cherryhill.dts
+++ b/arch/x86/dts/cherryhill.dts
@@ -70,7 +70,7 @@
 		compatible = "pci-x86";
 		#address-cells = <3>;
 		#size-cells = <2>;
-		u-boot,dm-pre-reloc;
+		bootph-all;
 		ranges = <0x02000000 0x0 0x80000000 0x80000000 0 0x40000000
 			  0x42000000 0x0 0xc0000000 0xc0000000 0 0x20000000
 			  0x01000000 0x0 0x2000 0x2000 0 0xe000>;