net: ethernet: fs_enet: convert to SPDX

The ENET driver has SPDX tags in the header files, but they were missing
in the C files. Change the licence information to SPDX format.
Acked-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c

+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Combined Ethernet driver for Motorola MPC8xx and MPC82xx.
  *
@@ -9,10 +10,6 @@
  *
  * Heavily based on original FEC driver by Dan Malek <dan@embeddededge.com>
  * and modifications by Joakim Tjernlund <joakim.tjernlund@lumentis.se>
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
  */
 
 #include <linux/module.h>

drivers/net/ethernet/freescale/fs_enet/mac-fcc.c

+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * FCC driver for Motorola MPC82xx (PQ2).
  *
@@ -6,10 +7,6 @@
  *
  * 2005 (c) MontaVista Software, Inc.
  * Vitaly Bordug <vbordug@ru.mvista.com>
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
  */
 
 #include <linux/module.h>

drivers/net/ethernet/freescale/fs_enet/mac-fec.c

+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Freescale Ethernet controllers
  *
@@ -6,10 +7,6 @@
  *
  * 2005 (c) MontaVista Software, Inc.
  * Vitaly Bordug <vbordug@ru.mvista.com>
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
  */
 
 #include <linux/module.h>

drivers/net/ethernet/freescale/fs_enet/mac-scc.c

+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Ethernet on Serial Communications Controller (SCC) driver for Motorola MPC8xx and MPC82xx.
  *
@@ -6,10 +7,6 @@
  *
  * 2005 (c) MontaVista Software, Inc.
  * Vitaly Bordug <vbordug@ru.mvista.com>
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
  */
 
 #include <linux/module.h>

drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c

+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Combined Ethernet driver for Motorola MPC8xx and MPC82xx.
  *
@@ -6,10 +7,6 @@
  *
  * 2005 (c) MontaVista Software, Inc.
  * Vitaly Bordug <vbordug@ru.mvista.com>
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
  */
 
 #include <linux/module.h>

drivers/net/ethernet/freescale/fs_enet/mii-fec.c

+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Combined Ethernet driver for Motorola MPC8xx and MPC82xx.
  *
@@ -6,10 +7,6 @@
  *
  * 2005 (c) MontaVista Software, Inc.
  * Vitaly Bordug <vbordug@ru.mvista.com>
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
  */
 
 #include <linux/module.h>