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/efi-x86_payload.dts b/arch/x86/dts/efi-x86_payload.dts
index 087865f..1a6dd7d 100644
--- a/arch/x86/dts/efi-x86_payload.dts
+++ b/arch/x86/dts/efi-x86_payload.dts
@@ -33,7 +33,7 @@
 
 	pci {
 		compatible = "pci-x86";
-		u-boot,dm-pre-reloc;
+		bootph-all;
 	};
 
 	efi-fb {