treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 129

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 as
  published by the free software foundation either version 2 or at
  your option any later version 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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Daniel M German <dmg@turingmachine.org>
Reviewed-by: Armijn Hemel <armijn@tjaldur.nl>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527063114.489565842@linutronix.de
Link: https://lkml.kernel.org/r/20190524100843.207819312@linutronix.de


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>