treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 396

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 this
program is distributed in the hope that it will be useful but
without any warranty without even the implied warranty of
merchantability or fitness for a particular purpose see the gnu
general public license for more details

extracted by the scancode license scanner the SPDX license identifier

GPL-2.0-only

has been chosen to replace the boilerplate/reference in 2 file(s).

Signed-off-by: Thomas Gleixner <[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]>

drivers/iio/light/opt3001.c

···
+// SPDX-License-Identifier: GPL-2.0-only
 /**
  * opt3001.c - Texas Instruments OPT3001 Light Sensor
  *
···
  *
  * Author: Andreas Dannenberg <[e-mail]>
  * Based on previous work from: Felipe Balbi <[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.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
  */
 
 #include <linux/bitops.h>

include/linux/irqchip/irq-omap-intc.h

···
+/* SPDX-License-Identifier: GPL-2.0-only */
 /**
  * irq-omap-intc.h - INTC Idle Functions
  *
  * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com
  *
  * Author: Felipe Balbi <[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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef __INCLUDE_LINUX_IRQCHIP_IRQ_OMAP_INTC_H