wdt: sp805: add watchdog_stop on reboot

Call watchdog_stop_on_reboot in probe func

Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20201127075217.31312-1-qiang.zhao@nxp.com


Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>