treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 392

Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  publicshed by the free software foundation 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 you should have received a copy of the gnu general
  public license along with this program if not write to the free
  software foundation inc 59 temple place suite 330 boston ma 02111
  1307 usa

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 1 file(s).
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Reviewed-by: NRichard Fontana <rfontana@redhat.com>
Reviewed-by: NKate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: NAllison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190531081038.107748302@linutronix.deSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/platform/x86/panasonic-laptop.c

+// SPDX-License-Identifier: GPL-2.0-only
 /*
  *  Panasonic HotKey and LCD brightness control driver
  *  (C) 2004 Hiroshi Miura <miura@da-cha.org>
@@ -8,19 +9,6 @@
  *
  *  derived from toshiba_acpi.c, Copyright (C) 2002-2004 John Belmonte
  *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 as
- *  publicshed by the Free Software Foundation.
- *
- *  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.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
- *
  *---------------------------------------------------------------------------
  *
  * ChangeLog:
@@ -113,7 +101,6 @@
  *
  *      Jul.17, 2004	Hiroshi Miura <miura@da-cha.org>
  *		- v0.1  start from toshiba_acpi driver written by John Belmonte
- *
  */
 
 #include <linux/kernel.h>