clk: max77686: Add SPDX license identifiers

Replace GPL v2.0 and v2.0+ license statements with SPDX license
identifiers.

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Stephen Boyd <[e-mail]>

drivers/clk/clk-max77686.c

···
-/*
- * clk-max77686.c - Clock driver for Maxim 77686/MAX77802
- *
- * Copyright (C) 2012 Samsung Electornics
- * Jonghwa Lee <[e-mail]>
- *
- * 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+
+//
+// clk-max77686.c - Clock driver for Maxim 77686/MAX77802
+//
+// Copyright (C) 2012 Samsung Electornics
+// Jonghwa Lee <[e-mail]>
 
 #include <linux/kernel.h>
 #include <linux/slab.h>

include/dt-bindings/clock/maxim,max77686.h

···
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2014 Google, Inc
- *
- * This program 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.
  *
  * Device Tree binding constants clocks for the Maxim 77686 PMIC.
  */

include/dt-bindings/clock/maxim,max77802.h

···
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2014 Google, Inc
- *
- * This program 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.
  *
  * Device Tree binding constants clocks for the Maxim 77802 PMIC.
  */