Filling rach_ind and sending to proxy

Seems to be working at the moment but
may need to add more info in the rach_ind.
Also, need to verify gNB is getting the
rach_ind and starting RA procedure.

openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.h

@@ -218,6 +218,8 @@ typedef struct nfapi_dl_tti_config_req_tx_data_req_t
     nfapi_nr_tx_data_request_t *tx_data_req_pdu_list;
 } nfapi_dl_tti_config_req_tx_data_req_t;
 
+void send_nsa_standalone_msg(nfapi_nr_rach_indication_t *rach_ind);
+
 /**\brief done free of memory allocation by module_id and release to pointer pool.
    \param module_id module id*/
 int nr_ue_if_module_kill(uint32_t module_id);