Override VSCode IntelliSense mode with clang-x64

platformio/ide/tpls/vscode/.vscode/c_cpp_properties.json.tpl

@@ -31,7 +31,8 @@
                 "{{!define.replace('"', '\\"')}}",
 % end
                 ""
-            ]
+            ],
+            "intelliSenseMode": "clang-x64"
         }
     ]
 }