rockchip: dts: rk3368-lion: add /chosen/tick-timer

To support bootstage recording, we want to mark our DM timer as the
tick-timer; this triggers the support for 'trying harder' to read the
timer in the Rockchip DM timer driver, even if the device model isn't
ready yet.

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

arch/arm/dts/rk3368-lion-u-boot.dtsi

@@ -13,6 +13,7 @@
 	chosen {
 		stdout-path = "serial0:115200n8";
 		u-boot,spl-boot-order = &emmc, &sdmmc;
+		tick-timer = "/timer@ff810000";
 	};
 
 };
@@ -88,6 +89,7 @@
 &timer0 {
 	u-boot,dm-pre-reloc;
 	clock-frequency = <24000000>;
+	status = "okay";
 };