treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 172

Based on 1 normalized pattern(s):

  this file may be distributed under the terms of the gnu general
  public license version 2

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 9 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070034.395589349@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

include/media/i2c/ov7670.h

@@ -1,10 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * A V4L2 driver for OmniVision OV7670 cameras.
  *
  * Copyright 2010 One Laptop Per Child
- *
- * This file may be distributed under the terms of the GNU General
- * Public License, version 2.
  */
 
 #ifndef __OV7670_H