treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 11

Based on 1 normalized pattern(s):

  this program is free software you can distribute 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 <[email protected]>
Reviewed-by: Steve Winslow <[email protected]>
Reviewed-by: Jilayne Lovejoy <[email protected]>
Reviewed-by: Kate Stewart <[email protected]>
Reviewed-by: Allison Randal <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

net/sched/em_canid.c

@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * em_canid.c  Ematch rule to match CAN frames according to their CAN IDs
  *
- *              This program is free software; you can distribute 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.
- *
  * Idea:       Oliver Hartkopp <[email protected]>
  * Copyright:  (c) 2011 Czech Technical University in Prague
  *             (c) 2011 Volkswagen Group Research