treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 136

Based on 1 normalized pattern(s):

is available under the gpl v2 or later

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 of the license or at your
option any later version

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 <[e-mail]>
Reviewed-by: Richard Fontana <[e-mail]>
Reviewed-by: Kate Stewart <[e-mail]>
Reviewed-by: Allison Randal <[e-mail]>
Cc: [e-mail]
Link: https://lkml.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

arch/powerpc/crypto/crct10dif-vpmsum_asm.S

···
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Calculate a CRC T10DIF  with vpmsum acceleration
  *
···
  *
  * crc32-vpmsum is
  * Copyright (C) 2015 Anton Blanchard <[e-mail]>, IBM
- * and is available under the GPL v2 or later.
- *
- * 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 of the License, or (at your option) any later version.
  */
 	.section	.rodata
 .balign 16