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 <[e-mail]>
Reviewed-by: Steve Winslow <[e-mail]>
Reviewed-by: Jilayne Lovejoy <[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]>

net/sched/em_canid.c

···
+// 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 <[e-mail]>
  * Copyright:  (c) 2011 Czech Technical University in Prague