IVGCVSW-7024 Add missing license info for reuse lint

Signed-off-by: Jim Flynn <jim.flynn@arm.com>
Change-Id: I97dee6982e0a7be01c13e9e803c0997547a39ff1
diff --git a/python/pyarmnn/pylintconfig b/python/pyarmnn/pylintconfig
index f3b28d4..929d04d 100644
--- a/python/pyarmnn/pylintconfig
+++ b/python/pyarmnn/pylintconfig
@@ -1,4 +1,8 @@
 [MASTER]
+#
+# Copyright © 2020-2021 Arm Ltd and Contributors. All rights reserved.
+# SPDX-License-Identifier: MIT
+#
 
 # Add files or directories to the ignore list. They should be base names, not
 # paths.