treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 455

Based on 1 normalized pattern(s):

  this package is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 and
  only version 2 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: NThomas Gleixner <tglx@linutronix.de>
Reviewed-by: NAllison Randal <allison@lohutok.net>
Reviewed-by: NEnrico Weigelt <info@metux.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081201.371541790@linutronix.deSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/power/supply/max14656_charger_detector.c

+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Maxim MAX14656 / AL32 USB Charger Detector driver
  *
@@ -7,11 +8,6 @@
  * Components from Maxim AL32 Charger detection Driver for MX50 Yoshi Board
  * Copyright (C) Amazon Technologies Inc. All rights reserved.
  * Manish Lachwani (lachwani@lab126.com)
- *
- * This package is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
  */
 #include <linux/module.h>
 #include <linux/init.h>