Aether-3088 change license to Apache-2.0

Change-Id: I42d7535e82065a8031119bee17594d3fb358a1e5
diff --git a/config-models/aether-2.1.x/Chart.yaml b/config-models/aether-2.1.x/Chart.yaml
index 93cfa93..f073808 100644
--- a/config-models/aether-2.1.x/Chart.yaml
+++ b/config-models/aether-2.1.x/Chart.yaml
@@ -1,10 +1,10 @@
 # SPDX-FileCopyrightText: 2021-present Open Networking Foundation <info@opennetworking.org>
 #
-# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+# SPDX-License-Identifier: Apache-2.0
 
 apiVersion: v2
 name: config-model-aether-2
-version: 2.1.5
+version: 2.1.6
 kubeVersion: ">=1.18.0"
 appVersion: 2.1.0
 description: Aether config model