making nvIPC thread more configurable + cleanup

making aerial shm prefix configurable (so we can use muliptle VNFs per PNF)
making the nvipc thread affinity configurable and using threadCreate.
removing aerial_vnf_nr_aerial_p7_start_thread

executables/nr-softmodem.c

@@ -79,6 +79,7 @@ unsigned short config_frames[4] = {2,9,11,13};
 #include "nfapi/oai_integration/vendor_ext.h"
 #include "gnb_config.h"
 #include "openair2/E1AP/e1ap_common.h"
+#include "LAYER2/NR_MAC_gNB/nr_mac_gNB.h"
 #ifdef ENABLE_AERIAL
 #include "nfapi/oai_integration/aerial/fapi_nvIPC.h"
 #endif
@@ -748,7 +749,8 @@ int main( int argc, char **argv ) {
   if (RC.nb_RU > 0)
     start_NR_RU();
 #ifdef ENABLE_AERIAL
-  nvIPC_Init();
+  gNB_MAC_INST *nrmac = RC.nrmac[0];
+  nvIPC_Init(nrmac->nvipc_params_s);
 #endif
   if (RC.nb_nr_L1_inst > 0) {
     printf("wait RUs\n");