treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_298.RULE

Based on the normalized pattern:

    this package is free software you can redistribute it and/or modify it
    under the terms of the gnu general public license version 2 as
    published by the free software foundation  this package is provided as
    is and without any express or implied warranties including without
    limitation the implied warranties of merchantibility and fitness for a
    particular purpose

extracted by the scancode license scanner the SPDX license identifier

    GPL-2.0-only

has been chosen to replace the boilerplate/reference.
Reviewed-by: Allison Randal <allison@lohutok.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/arm/mach-omap1/board-sx1.h

+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Siemens SX1 board definitions
  *
  * Copyright: Vovan888 at gmail 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 as
- * published by the Free Software Foundation.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
 #ifndef __ASM_ARCH_SX1_I2C_CHIPS_H