regulator: sky81452: Switch to SPDX identifier

/*

 * sky81452-regulator.c	SKY81452 regulator driver

 *

 * Copyright 2014 Skyworks Solutions Inc.

 * Author : Gyungoh Yoo <jack.yoo@skyworksinc.com>

 *

 * 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.

 *

 * 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, see <http://www.gnu.org/licenses/>.

 */

// SPDX-License-Identifier: GPL-2.0

//

// sky81452-regulator.c	SKY81452 regulator driver

//

// Copyright 2014 Skyworks Solutions Inc.

// Author : Gyungoh Yoo <jack.yoo@skyworksinc.com>

#include <linux/module.h>

#include <linux/kernel.h>