arm: omap5: echi: Add GPL-2.0+ SPDX-License-Identifier

Signed-off-by: NNobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>

arch/arm/include/asm/arch-omap5/ehci.h

@@ -2,20 +2,7 @@
  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com*
  * Author: Govindraj R <govindraj.raja@ti.com>
  *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
  */
 
 #ifndef _EHCI_H