dt-bindings: watchdog: dlg,da9062-watchdog: Drop blank space

Drop unnecessary blank space from binding documentation.
Reported-by: Pavel Machek <pavel@denx.de>
Closes: https://lore.kernel.org/all/ZpemkYsK6zQgGCF2@duo.ucw.cz/Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240717115649.131914-1-biju.das.jz@bp.renesas.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>