add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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{
 "deviceInfo": {
  "clientId": "amzn1.application-oa2-client.000621eb4c6b4af7bed98230439c08a0",
  "productId": "Rock960"
 }
}