Update copyright year

Change-Id: I724ef1d98d66200fd6abd2a54051e51bd6759e06
diff --git a/drivers/NetgearXSM.py b/drivers/NetgearXSM.py
index a3c3e98..48556a7 100644
--- a/drivers/NetgearXSM.py
+++ b/drivers/NetgearXSM.py
@@ -1,6 +1,6 @@
 #! /usr/bin/python
 
-#  Copyright 2015 Linaro Limited
+#  Copyright 2015-2018 Linaro Limited
 #
 #  This program is free software; you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License as published by