ARM: lpc32xx: use SPDX license identifier

Replace GPLv2+ header with the SPDX identifier.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>

arch/arm/mach-lpc32xx/phy3250.c

+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Platform support for LPC32xx SoC
  *
@@ -5,16 +6,6 @@
  *
  * Copyright (C) 2012 Roland Stigge <stigge@antcom.de>
  * Copyright (C) 2010 NXP Semiconductors
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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/amba/pl08x.h>