arm: dts: am335x-boneblack: add tick-timer to chosen node

Specify which timer to be used as tick-timer in chosen node.

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

arch/arm/dts/am335x-boneblack.dts

@@ -15,6 +15,7 @@
 	compatible = "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx";
 	chosen {
 		stdout-path = &uart0;
+		tick-timer = &timer2;
 	};
 };