Aether-3088 change license to Apache-2.0

Change-Id: I42d7535e82065a8031119bee17594d3fb358a1e5
diff --git a/config-models/aether-2.1.x/values.yaml b/config-models/aether-2.1.x/values.yaml
index 2e984ed..aec2bd5 100644
--- a/config-models/aether-2.1.x/values.yaml
+++ b/config-models/aether-2.1.x/values.yaml
@@ -1,3 +1,3 @@
 # SPDX-FileCopyrightText: 2020-present Open Networking Foundation <info@opennetworking.org>
 #
-# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+# SPDX-License-Identifier: Apache-2.0