treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 443

Based on 1 normalized pattern(s):

  this program is free software and is provided to you under the terms
  of the gnu general public license version 2 as published by the free
  software foundation and any use by you of this program is subject to
  the terms of such gnu licence

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 13 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Armijn Hemel <armijn@tjaldur.nl>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190531190115.691558990@linutronix.de


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