ARM: dts: exynos: Enable watchdog on all Exynos4 boards

Watchdog module does not have external dependencies so it can be safely
enabled in exynos4.dtsi thus making it available for all Exynos4-based
boards.
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>
Acked-by: NGuenter Roeck <linux@roeck-us.net>

arch/arm/boot/dts/exynos4210-origen.dts

@@ -328,7 +328,3 @@
 &tmu {
 	status = "okay";
 };
-
-&watchdog {
-	status = "okay";
-};

arch/arm/boot/dts/exynos4210.dtsi

@@ -125,7 +125,6 @@
 		interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&clock CLK_WDT>;
 		clock-names = "watchdog";
-		status = "disabled";
 	};
 
 	clock: clock-controller@10030000 {

arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi

@@ -495,7 +495,3 @@
 	vtmu-supply = <&ldo16_reg>;
 	status = "okay";
 };
-
-&watchdog {
-	status = "okay";
-};

arch/arm/boot/dts/exynos4412-odroid-common.dtsi

@@ -555,7 +555,3 @@
 	vtmu-supply = <&ldo10_reg>;
 	status = "okay";
 };
-
-&watchdog {
-	status = "okay";
-};

arch/arm/boot/dts/exynos4412-origen.dts

@@ -541,7 +541,3 @@
 &serial_3 {
 	status = "okay";
 };
-
-&watchdog {
-	status = "okay";
-};

arch/arm/boot/dts/exynos4412.dtsi

@@ -222,7 +222,6 @@
 		clocks = <&clock CLK_WDT>;
 		clock-names = "watchdog";
 		samsung,syscon-phandle = <&pmu_system_controller>;
-		status = "disabled";
 	};
 
 	adc: adc@126C0000 {