parse: change return type of _nmea_parse_time to bool
parse: change return type of _nmea_parse_time to bool

an return true on success

Signed-off-by: Ferry Huberts <1f083df4a0371a8eba2ce71fc6b0e214b2551710@mindef.nl>

AHR-Project/nmealib,AHR-Project/nmealib