sh: cpu: convert to SPDX identifiers

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

Link: http://lkml.kernel.org/r/874lbscswy.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: NKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: NSimon Horman <horms+renesas@verge.net.au>
Cc: Rich Felker <dalias@libc.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

arch/sh/kernel/cpu/clock.c

+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/cpu/clock.c - SuperH clock framework
  *
@@ -9,10 +10,6 @@
  *	Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
  *
  *  Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com>
- *
- * 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/kernel.h>
 #include <linux/init.h>

arch/sh/kernel/cpu/init.c

+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/cpu/init.c
  *
@@ -5,10 +6,6 @@
  *
  * Copyright (C) 2002 - 2009  Paul Mundt
  * Copyright (C) 2003  Richard Curnow
- *
- * 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/irq/Makefile

+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/SuperH CPU-specific IRQ handlers.
 #

arch/sh/kernel/cpu/irq/intc-sh5.c

+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/cpu/irq/intc-sh5.c
  *
@@ -9,10 +10,6 @@
  * Per-interrupt selective. IRLM=0 (Fixed priority) is not
  * supported being useless without a cascaded interrupt
  * controller.
- *
- * 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/interrupt.h>

arch/sh/kernel/cpu/irq/ipr.c

+// SPDX-License-Identifier: GPL-2.0
 /*
  * Interrupt handling for IPR-based IRQ.
  *
@@ -11,10 +12,6 @@
  *	On-chip supporting modules for SH7709/SH7709A/SH7729.
  *	Hitachi SolutionEngine external I/O:
  *		MS7709SE01, MS7709ASE01, and MS7750SE01
- *
- * 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/interrupt.h>

arch/sh/kernel/cpu/pfc.c

+// SPDX-License-Identifier: GPL-2.0
 /*
  * SH Pin Function Control Initialization
  *
  * Copyright (C) 2012  Renesas Solutions Corp.
- *
- * 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; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #include <linux/init.h>