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/tsc_timer.dtsi b/arch/x86/dts/tsc_timer.dtsi
index 4df8e9d..9d098df 100644
--- a/arch/x86/dts/tsc_timer.dtsi
+++ b/arch/x86/dts/tsc_timer.dtsi
@@ -2,6 +2,6 @@
 	tsc-timer {
 		compatible = "x86,tsc-timer";
 		clock-frequency = <CONFIG_X86_TSC_TIMER_FREQ>;
-		u-boot,dm-pre-reloc;
+		bootph-all;
 	};
 };