sh: sh2: convert to SPDX identifiers

Update license to use SPDX-License-Identifier instead of verbose license
text.

Link: http://lkml.kernel.org/r/87efawcszk.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Cc: Rich Felker <dalias@libc.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/sh/kernel/cpu/sh2/Makefile

+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/SuperH SH-2 backends.
 #

arch/sh/kernel/cpu/sh2/clock-sh7619.c

+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/cpu/sh2/clock-sh7619.c
  *
@@ -7,10 +8,6 @@
  *
  * Based on clock-sh4.c
  *  Copyright (C) 2005  Paul Mundt
- *
- * 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.
  */
 #include <linux/init.h>
 #include <linux/kernel.h>

arch/sh/kernel/cpu/sh2/entry.S

-/*
+/* SPDX-License-Identifier: GPL-2.0
+ *
  * arch/sh/kernel/cpu/sh2/entry.S
  *
  * The SH-2 exception entry
  *
  * Copyright (C) 2005-2008 Yoshinori Sato
  * Copyright (C) 2005  AXE,Inc.
- *
- * 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.
  */
 
 #include <linux/linkage.h>

arch/sh/kernel/cpu/sh2/ex.S

-/*
+/* SPDX-License-Identifier: GPL-2.0
+ *
  * arch/sh/kernel/cpu/sh2/ex.S
  *
  * The SH-2 exception vector table
  *
  * Copyright (C) 2005 Yoshinori Sato
- *
- * 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.
  */
 
 #include <linux/linkage.h>

arch/sh/kernel/cpu/sh2/probe.c

+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/cpu/sh2/probe.c
  *
  * CPU Subtype Probing for SH-2.
  *
  * Copyright (C) 2002 Paul Mundt
- *
- * 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.
  */
 #include <linux/init.h>
 #include <linux/of_fdt.h>

arch/sh/kernel/cpu/sh2/setup-sh7619.c

+// SPDX-License-Identifier: GPL-2.0
 /*
  * SH7619 Setup
  *
  *  Copyright (C) 2006  Yoshinori Sato
  *  Copyright (C) 2009  Paul Mundt
- *
- * 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.
  */
 #include <linux/platform_device.h>
 #include <linux/init.h>

arch/sh/kernel/cpu/sh2/smp-j2.c

+// SPDX-License-Identifier: GPL-2.0
 /*
  * SMP support for J2 processor
  *
  * Copyright (C) 2015-2016 Smart Energy Instruments, Inc.
- *
- * 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.
  */
 
 #include <linux/smp.h>