Update copyright notice years

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
diff --git a/sigma_dut.c b/sigma_dut.c
index 1759e84..3b3dbba 100644
--- a/sigma_dut.c
+++ b/sigma_dut.c
@@ -704,7 +704,7 @@
 "----------------------------\n"
 "\n"
 "Copyright (c) 2010-2011, Atheros Communications, Inc.\n"
-"Copyright (c) 2011-2015, Qualcomm Atheros, Inc.\n"
+"Copyright (c) 2011-2017, Qualcomm Atheros, Inc.\n"
 "All Rights Reserved.\n"
 "Licensed under the Clear BSD license.\n"
 "\n";