message: Update openbci_serial_board.cpp
  Fixed typo
diff: @@ -27,7 +27,7 @@ int OpenBCISerialBoard::open_port ()
  return (int)BrainFlowExitCodes::PORT_ALREADY_OPEN_ERROR;
  }
  - safe_logger (spdlog::level::info, "openning port {}", serial->get_port_name ());
  + safe_logger (spdlog::level::info, "opening port {}", serial->get_port_name ());
  int res = serial->open_serial_port ();
  if (res < 0)
  {
  