treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_406.RULE

Based on the normalized pattern:

    this file is licensed under the term of the gnu general public license
    version 2 the program licensed as is without any warranty of any kind
    whether express or implied

extracted by the scancode license scanner the SPDX license identifier


has been chosen to replace the boilerplate/reference.

Signed-off-by: Thomas Gleixner <>
Reviewed-by: Allison Randal <>
2 files changed