treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 417

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 of
the license as published by the free software foundation

extracted by the scancode license scanner the SPDX license identifier

GPL-2.0-only

has been chosen to replace the boilerplate/reference in 1 file(s).

Signed-off-by: Thomas Gleixner <[e-mail]>
Reviewed-by: Allison Randal <[e-mail]>
Reviewed-by: Armijn Hemel <[e-mail]>
Cc: [e-mail]
Link: https://lkml.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/nfc/trf7970a.c

···
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * TI TRF7970a RFID/NFC Transceiver Driver
  *
···
  * Author: Erick Macias <[e-mail]>
  * Author: Felipe Balbi <[e-mail]>
  * Author: Mark A. Greer <[e-mail]>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2  of
- * the License as published by the Free Software Foundation.
  */
 
 #include <linux/module.h>