treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 377

Based on 1 normalized pattern(s):

  this file is subject to the terms and conditions of the gnu general
  public license version 2 see the file copying in the main directory
  of this archive 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 9 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Armijn Hemel <armijn@tjaldur.nl>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190531081036.888539456@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/input/keyboard/hilkbd.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  *  linux/drivers/hil/hilkbd.c
  *
@@ -8,11 +9,6 @@
  *  Very basic HP Human Interface Loop (HIL) driver.
  *  This driver handles the keyboard on HP300 (m68k) and on some
  *  HP700 (parisc) series machines.
- *
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License version 2.  See the file COPYING in the main directory of this
- * archive for more details.
  */
 
 #include <linux/pci_ids.h>