add iot_link sub-system

platform/hi3861v100_liteos_riscv/platform.json

@@ -258,6 +258,23 @@
           }
         ]
       },
+      {
+        "subsystem": "iot",
+        "optional": "true",
+        "components": [
+          {
+            "component": "iot_link",
+            "optional": "false",
+            "targets": [
+              "//domains/iot/link"
+            ],
+            "features": [],
+            "deps": {
+              "third_party": []
+            }
+          }
+        ]
+      },
       {
         "subsystem": "vendor",
         "optional": "true",

product/wifiiot.json

@@ -58,6 +58,12 @@
         { "name": "file", "dir": "//utils/native/lite/file:file", "features":[] }
       ]
     },
+    {
+      "name": "iot",
+      "component": [
+        { "name": "iot_link", "dir": "//domains/iot/link", "features":[] }
+      ]
+    },    
     {
       "name": "vendor",
       "component": [