treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 380

Based on 1 normalized pattern(s):

license as part of this driver was derived from the slram c driver
it falls under the same license which is gnu general public license
v2

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: Thomas Gleixner <[e-mail]>
Reviewed-by: Kate Stewart <[e-mail]>
Reviewed-by: Armijn Hemel <[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/mtd/devices/pmc551.c

···
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * PMC551 PCI Mezzanine Ram Device
  *
  * Author:
  *	Mark Ferrell <[e-mail]>
  *	Copyright 1999,2000 Nortel Networks
- *
- * License:
- *	As part of this driver was derived from the slram.c driver it
- *	falls under the same license, which is GNU General Public
- *	License v2
  *
  * Description:
  *	This driver is intended to support the PMC551 PCI Ram device