obuspa: Add controller MTP verification
If CONFIG_OBUSPA_CONTROLLER_MTP_VERIFY=y is set, disabled by default, reject incoming USP records if from_id does not match a controller connected to the MTP instance on which the record was received.
If CONFIG_OBUSPA_CONTROLLER_MTP_VERIFY=y is set, disabled by default, reject incoming USP records if from_id does not match a controller connected to the MTP instance on which the record was received.