Change license from ONF-Member-Only to Apache-2.0

Change-Id: I031b31427f78d0c238342124638327fcc933ea29
diff --git a/pfcp-agent/values.yaml b/pfcp-agent/values.yaml
index 5868b30..08a48e1 100644
--- a/pfcp-agent/values.yaml
+++ b/pfcp-agent/values.yaml
@@ -1,6 +1,6 @@
 # Copyright 2020-present Open Networking Foundation
 #
-# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+# SPDX-License-Identifier: Apache-2.0
 
 images:
   tags: