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

Change-Id: I031b31427f78d0c238342124638327fcc933ea29
diff --git a/.gitignore b/.gitignore
index 0e70e4f..2b8eb93 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
 # SPDX-FileCopyrightText: 2021 Open Networking Foundation <info@opennetworking.org>
-# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+# SPDX-License-Identifier: Apache-2.0
 Chart.lock
 charts