treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 298

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
  published by the free software foundation you should have received a
  copy of the gnu general public license along with this program if
  not see http www gnu org licenses this software is provided as is
  and without any express or implied warranties including without
  limitation the implied warranties of merchantability and fitness for
  a particular purpose

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 15 file(s).

Bucket: ASIS-5

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

15 files changed