watchdog_init_timeout() will preserve wdd->timeout value if
no parameter nor timeout-secs dt property is set.
Signed-off-by: NMarcus Folkesson <marcus.folkesson@gmail.com>
Reviewed-by: NGuenter Roeck <linux@roeck-us.net>
Signed-off-by: NGuenter Roeck <linux@roeck-us.net>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>