treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 498

Based on 1 normalized pattern(s):

  gplv2 only

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4 file(s).

Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Kate Stewart <[email protected]>
Reviewed-by: Enrico Weigelt <[email protected]>
Reviewed-by: Armijn Hemel <[email protected]>
Reviewed-by: Allison Randal <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

include/dt-bindings/dma/at91.h

@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * This header provides macros for at91 dma bindings.
  *
  * Copyright (C) 2013 Ludovic Desroches <[email protected]>
- *
- * GPLv2 only
  */
 
 #ifndef __DT_BINDINGS_AT91_DMA_H__

include/dt-bindings/i2c/i2c.h

@@ -1,12 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * This header provides constants for I2C bindings
  *
  * Copyright (C) 2015 by Sang Engineering
  * Copyright (C) 2015 by Renesas Electronics Corporation
  *
  * Wolfram Sang <[email protected]>
- *
- * GPLv2 only
  */
 
 #ifndef _DT_BINDINGS_I2C_I2C_H

include/dt-bindings/pinctrl/at91.h

@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * This header provides constants for most at91 pinctrl bindings.
  *
  * Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <[email protected]>
- *
- * GPLv2 only
  */
 
 #ifndef __DT_BINDINGS_AT91_PINCTRL_H__

include/dt-bindings/thermal/thermal.h

@@ -1,10 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * This header provides constants for most thermal bindings.
  *
  * Copyright (C) 2013 Texas Instruments
  *	Eduardo Valentin <[email protected]>
- *
- * GPLv2 only
  */
 
 #ifndef _DT_BINDINGS_THERMAL_THERMAL_H