ARM: dts: aspeed: Enable watchdog two

The second watchdog is left running by u-boot in the common
configurations of the firmware shipped on ASPEED boards. Ensure a driver
is loaded so the system can succcessfully boot.

Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>

arch/arm/boot/dts/aspeed-g4.dtsi

@@ -212,7 +212,6 @@
 			wdt2: watchdog@1e785020 {
 				compatible = "aspeed,ast2400-wdt";
 				reg = <0x1e785020 0x1c>;
-				status = "disabled";
 			};
 
 			vuart: serial@1e787000 {

arch/arm/boot/dts/aspeed-g5.dtsi

@@ -256,7 +256,6 @@
 			wdt2: watchdog@1e785020 {
 				compatible = "aspeed,ast2500-wdt";
 				reg = <0x1e785020 0x20>;
-				status = "disabled";
 			};
 
 			wdt3: watchdog@1e785040 {