AWR1843: 第一次启动ros_driver总是出现图片中的乱码错误

这是个known bug，请看下面的troubleshooting.

2.
```
mmWaveQuickConfig: Command failed (mmWave sensor did not respond with 'Done')
mmWaveQuickConfig: Response: 'sensorStop
'?`????`????`???~' is not recognized as a CLI command
mmwDemo:/>'
```
When this happens, re-run the command you send to sensor. If it continues, shut down and restart the sensor.

https://git.ti.com/cgit/mmwave_radar/mmwave_ti_ros/tree/ros_driver/src/ti_mmwave_rospkg/README.md