ARM: dts: wpcm450: Enable watchdog by default

The watchdog timer is always usable, regardless of board design, so
there is no point in marking the watchdog device as disabled-by-default
in nuvoton-wpcm450.dtsi.

Signed-off-by: Jonathan Neuschäfer <[e-mail]>
Reviewed-by: Joel Stanley <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Joel Stanley <[e-mail]>

arch/arm/boot/dts/nuvoton-wpcm450-supermicro-x9sci-ln4f.dts

···
 	/* "Serial over LAN" port. Connected to ttyS2 of the host system. */
 	status = "okay";
 };
-
-&watchdog0 {
-	status = "okay";
-};

arch/arm/boot/dts/nuvoton-wpcm450.dtsi

···
 			interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;
 			reg = <0xb800101c 0x4>;
 			clocks = <&clk24m>;
-			status = "disabled";
 		};
 
 		aic: interrupt-controller@b8002000 {