message: Fix pmm data inconsistency
  If dram values are negative, pmm values are not updated so contain invalid data
diff: @@ -535,7 +535,10 @@ void display_bandwidth_csv(PCM *m, memdata_t *md, uint64 /*elapsedTime*/, const
  cout << "Ch" << channel << "PMM_Read,"
  << "Ch" << channel << "PMM_Write,";
  },
  - [&skt, &md, &channel]() {
  + [&skt, &md, &channel, &invalid_data]() {
  + if (invalid_data)
  + cout << ",,";
  + else
  cout << setw(8) << md->iMC_PMM_Rd_socket_chan[skt][channel] << ','
  << setw(8) << md->iMC_PMM_Wr_socket_chan[skt][channel] << ',';
  });
  