| typedef void(* Ucs_Lld_TxReleaseCb_t)(void *inst_ptr, Ucs_Lld_TxMsg_t *msg_ptr) | 
Notifies that the LLD no longer needs to access the Tx message object.
| inst_ptr | Reference to internal UNICENS handler | 
| msg_ptr | Reference to the Tx message object which is no longer accessed by the low-level driver |