Add Linux Foundation info to NOTICE file (#1254)

#### Related Issue: 
None.

#### Description of changes:
Copyright notice for LF Projects added to NOTICE file.

Co-authored-by: Jonathan Rau <139361268+jonrau-at-queryai@users.noreply.github.com>

NOTICE

@@ -1,15 +1,9 @@
 Open Cybersecurity Schema Framework
 
-This project includes the ICD Schema developed by Symantec, a division of Broadcom.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
+Copyright © OCSF a Series of LF Projects, LLC
+For web site terms of use, trademark policy and other project policies please see https://lfprojects.org.
 
-    http://www.apache.org/licenses/LICENSE-2.0
+This project includes the ICD Schema developed by Symantec, a division of Broadcom.
 
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
+Licensed under the Apache 2 license.
+Refer to the Apache 2 license in the file LICENSE.