ARM: dts: remove disabled status from watchdog node for exynos5440-ssdk5440

Signed-off-by: Giridhar Maruthy <giridhar.m@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos5440-ssdk5440.dts

@@ -36,10 +36,6 @@ i2c@100000 {
 		status = "disabled";
 	};
 
-	watchdog {
-		status = "disabled";
-	};
-
 	rtc {
 		status = "disabled";
 	};