net: ethernet: 8390: Replace GPL 2.0 boilerplate with SPDX identifier

The boilerplate refers to COPYING in the top-level directory of kernel
tree. Replace it with corresponding SPDX license identifier.

Cc: Donald Becker <becker@scyld.com>
Cc: Peter De Schrijver <p2@mind.be>
Cc: Topi Kanerva <topi@susanna.oulu.fi>
Cc: Alain Malek <Alain.Malek@cryogen.com>
Cc: Bruce Abbott <bhabbott@inhb.co.nz>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Richard Fontana <rfontana@redhat.com>
Acked-by: Greg Ungerer <gerg@linux-m68k.org>
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

drivers/net/ethernet/8390/apne.c

+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Amiga Linux/68k 8390 based PCMCIA Ethernet Driver for the Amiga 1200
  *
@@ -19,12 +20,6 @@
  *
  * ----------------------------------------------------------------------------
  *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file COPYING in the main directory of the Linux
- * distribution for more details.
- *
- * ----------------------------------------------------------------------------
- *
  */
 
 

drivers/net/ethernet/8390/hydra.c

+// SPDX-License-Identifier: GPL-2.0-only
+
 /* New Hydra driver using generic 8390 core */
 /* Based on old hydra driver by Topi Kanerva (topi@susanna.oulu.fi) */
 
-/* This file is subject to the terms and conditions of the GNU General      */
-/* Public License.  See the file COPYING in the main directory of the       */
-/* Linux distribution for more details.                                     */
-
 /* Peter De Schrijver (p2@mind.be) */
 /* Oldenburg 2000 */
 

drivers/net/ethernet/8390/mcf8390.c

+// SPDX-License-Identifier: GPL-2.0-only
 /*
  *  Support for ColdFire CPU based boards using a NS8390 Ethernet device.
  *
@@ -5,9 +6,6 @@
  *
  *  (C) Copyright 2012,  Greg Ungerer <gerg@uclinux.org>
  *
- *  This file is subject to the terms and conditions of the GNU General Public
- *  License.  See the file COPYING in the main directory of the Linux
- *  distribution for more details.
  */
 
 #include <linux/module.h>

drivers/net/ethernet/8390/stnic.c

+// SPDX-License-Identifier: GPL-2.0-only
 /* stnic.c : A SH7750 specific part of driver for NS DP83902A ST-NIC.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  *
  * Copyright (C) 1999 kaz Kojima
  */

drivers/net/ethernet/8390/zorro8390.c

+// SPDX-License-Identifier: GPL-2.0-only
 /*
  *  Amiga Linux/m68k and Linux/PPC Zorro NS8390 Ethernet Driver
  *
@@ -9,12 +10,6 @@
  *
  *  ---------------------------------------------------------------------------
  *
- *  This file is subject to the terms and conditions of the GNU General Public
- *  License.  See the file COPYING in the main directory of the Linux
- *  distribution for more details.
- *
- *  ---------------------------------------------------------------------------
- *
  *  The Ariadne II and X-Surf are Zorro-II boards containing Realtek RTL8019AS
  *  Ethernet Controllers.
  */