ARM: dove: Remove watchdog from DT

The watchdog on dove requires an interrupt that is not yet
available on DT. Therefore, the watchdog DT node is removed
until the corresponding chained intc is available.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/boot/dts/dove.dtsi

@@ -67,11 +67,6 @@ uart3: serial@12300 {
 			status = "disabled";
 		};
 
-		wdt: wdt@20300 {
-			compatible = "marvell,orion-wdt";
-			reg = <0x20300 0x28>;
-		};
-
 		gpio0: gpio@d0400 {
 			compatible = "marvell,orion-gpio";
 			#gpio-cells = <2>;