minor: update copyright

Change-Id: Iafcd029be9b3f8cf2e90f08d5e9802912d6a59b1
diff --git a/firmware/libboard/common/include/board_common.h b/firmware/libboard/common/include/board_common.h
index 1155158..cb72d40 100644
--- a/firmware/libboard/common/include/board_common.h
+++ b/firmware/libboard/common/include/board_common.h
@@ -1,5 +1,8 @@
 /* SIMtrace 2 common board pin definitions
  *
+ * (C) 2015-2017 by Harald Welte <hwelte@hmw-consulting.de>
+ * (C) 2018, sysmocom -s.f.m.c. GmbH, Author: Kevin Redon <kredon@sysmocom.de>
+ *
  * 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
  * the Free Software Foundation; either version 2 of the License, or