regulator: mt63xx: Switch to SPDX identifier

Convert MediaTek mt63xx PMIC drivers to SPDX identifier.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/mt6311-regulator.c

-/*
- * Copyright (c) 2015 MediaTek Inc.
- * Author: Henry Chen <henryc.chen@mediatek.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.
- */
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (c) 2015 MediaTek Inc.
+// Author: Henry Chen <henryc.chen@mediatek.com>
 
 #include <linux/err.h>
 #include <linux/gpio.h>

drivers/regulator/mt6311-regulator.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (c) 2015 MediaTek Inc.
  * Author: Henry Chen <henryc.chen@mediatek.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.
  */
 
 #ifndef __MT6311_REGULATOR_H__

drivers/regulator/mt6323-regulator.c

-/*
- * Copyright (c) 2016 MediaTek Inc.
- * Author: Chen Zhong <chen.zhong@mediatek.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.
- */
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (c) 2016 MediaTek Inc.
+// Author: Chen Zhong <chen.zhong@mediatek.com>
 
 #include <linux/module.h>
 #include <linux/of.h>

drivers/regulator/mt6380-regulator.c

-/*
- * Copyright (c) 2017 MediaTek Inc.
- * Author: Chenglin Xu <chenglin.xu@mediatek.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.
- */
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (c) 2017 MediaTek Inc.
+// Author: Chenglin Xu <chenglin.xu@mediatek.com>
 
 #include <linux/module.h>
 #include <linux/of.h>

drivers/regulator/mt6397-regulator.c

-/*
- * Copyright (c) 2014 MediaTek Inc.
- * Author: Flora Fu <flora.fu@mediatek.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.
- */
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (c) 2014 MediaTek Inc.
+// Author: Flora Fu <flora.fu@mediatek.com>
 
 #include <linux/module.h>
 #include <linux/of.h>