arm: socfpga: vining: Un-disable WDT in DT

The WDT on this system should be enabled, make it so.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Siew Chin Lim <elly.siew.chin.lim@intel.com>
Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Cc: Tien Fong Chee <tien.fong.chee@intel.com>

arch/arm/dts/socfpga_cyclone5_vining_fpga-u-boot.dtsi

@@ -15,10 +15,6 @@
 	};
 };
 
-&watchdog0 {
-	status = "disabled";
-};
-
 &mmc {
 	status = "disabled";
 };