component list is defined as an `enum` in [log.h](https://gitlab.eurecom.fr/oai/openairinterface5g/blob/develop/common/utils/LOG/log.h). A new component can be defined by adding an item in this type, it must also be defined in the T tracer [T_messages.txt ](https://gitlab.eurecom.fr/oai/openairinterface5g/blob/develop/common/utils/T/T_messages.txt).