ASoC: samsung: spdif: Convert to SPDX License Identifier

Replace GPL v2.0 license statements with SPDX license identifier.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/samsung/spdif.c

-/* sound/soc/samsung/spdif.c
- *
- * ALSA SoC Audio Layer - Samsung S/PDIF Controller driver
- *
- * Copyright (c) 2010 Samsung Electronics Co. Ltd
- *		http://www.samsung.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
+//
+// ALSA SoC Audio Layer - Samsung S/PDIF Controller driver
+//
+// Copyright (c) 2010 Samsung Electronics Co. Ltd
+//		http://www.samsung.com/
 
 #include <linux/clk.h>
 #include <linux/io.h>

sound/soc/samsung/spdif.h

-/* sound/soc/samsung/spdif.h
- *
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
  * ALSA SoC Audio Layer - Samsung S/PDIF Controller driver
  *
  * Copyright (c) 2010 Samsung Electronics Co. Ltd
  *		http://www.samsung.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.
  */
 
 #ifndef __SND_SOC_SAMSUNG_SPDIF_H