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 <j.neuschaefer@gmx.net>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20220609214830.127003-1-j.neuschaefer@gmx.net


Signed-off-by: Joel Stanley <joel@jms.id.au>