Update boards/olimexino-stm32f3/include/periph_conf.h

Co-authored-by: crasbe <[email protected]>

Author: maribu

boards/olimexino-stm32f3/include/periph_conf.h

@@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2024 Marian Buschsieweke <[email protected]>
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
+ * SPDX-FileCopyrightText: 2025 Marian Buschsieweke
+ * SPDX-License-Identifier: LGPL-2.1-only
  */
 
 #pragma once