Mention other array needed for code-driven cluster migration. (project-chip#41971)

Author: harimau-qirex

docs/guides/migrating_ember_cluster_to_code_driven.md

@@ -174,7 +174,8 @@ project's Slack channel.
 
 -   [ ] **3.3: Update ZAP Configuration:**
     -   [ ] In `src/app/common/templates/config-data.yaml`, add the cluster to
-            the `CommandHandlerInterfaceOnlyClusters` array.
+            the `CommandHandlerInterfaceOnlyClusters` and `CodeDrivenClusters`
+            arrays.
     -   [ ] In `src/app/zap-templates/zcl/zcl.json` and
             `zcl-with-test-extensions.json`, add all non-list attributes to the
             `attributeAccessInterfaceAttributes` list.