treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_133.RULE

Based on the normalized pattern:

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 merchantability or fitness for a
particular purpose see the gnu general public license for more details

extracted by the scancode license scanner the SPDX license identifier

GPL-2.0-only

has been chosen to replace the boilerplate/reference.

Reviewed-by: Allison Randal <[e-mail]>
Signed-off-by: Thomas Gleixner <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

arch/arm64/boot/dts/mediatek/mt6755.dtsi

···
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2016 MediaTek Inc.
  * Author: Mars.C <[e-mail]>
- *
- * 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,
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #include <dt-bindings/interrupt-controller/irq.h>

arch/arm64/boot/dts/mediatek/mt6795.dtsi

···
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2015 MediaTek Inc.
  * Author: Mars.C <[e-mail]>
- *
- * 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,
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #include <dt-bindings/interrupt-controller/irq.h>

arch/arm64/boot/dts/mediatek/mt8173.dtsi

···
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2014 MediaTek Inc.
  * Author: Eddie Huang <[e-mail]>
- *
- * 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,
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #include <dt-bindings/clock/mt8173-clk.h>

include/dt-bindings/power/mt6797-power.h

···
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2017 MediaTek Inc.
  * Author: Mars.C <[e-mail]>
- *
- * 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,
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef _DT_BINDINGS_POWER_MT6797_POWER_H