ASoC: madera: Update SPDX headers

The madera driver was merged too late to catch Thomas Gleixner's cleanup
of the SPDX headers tree wide. Update the headers to match what was done
in that patch.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

include/dt-bindings/sound/madera.h

-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Device Tree defines for Madera codecs
  *
  * Copyright (C) 2016-2017 Cirrus Logic, Inc. and
  *                         Cirrus Logic International Semiconductor Ltd.
- *
- * 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 DT_BINDINGS_SOUND_MADERA_H

include/sound/madera-pdata.h

-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Platform data for Madera codec driver
  *
  * Copyright (C) 2016-2019 Cirrus Logic, Inc. and
  *                         Cirrus Logic International Semiconductor Ltd.
- *
- * 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 MADERA_CODEC_PDATA_H

sound/soc/codecs/cs47l35.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: GPL-2.0-only
 //
 // ALSA SoC Audio driver for CS47L35 codec
 //
 // Copyright (C) 2015-2019 Cirrus Logic, Inc. and
 //                         Cirrus Logic International Semiconductor Ltd.
 //
-// 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; version 2.
-//
 
 #include <linux/delay.h>
 #include <linux/device.h>

sound/soc/codecs/cs47l85.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: GPL-2.0-only
 //
 // ALSA SoC Audio driver for CS47L85 codec
 //
 // Copyright (C) 2015-2019 Cirrus Logic, Inc. and
 //                         Cirrus Logic International Semiconductor Ltd.
 //
-// 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; version 2.
-//
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>

sound/soc/codecs/cs47l90.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: GPL-2.0-only
 //
 // ALSA SoC Audio driver for CS47L90 codec
 //
 // Copyright (C) 2015-2019 Cirrus Logic, Inc. and
 //                         Cirrus Logic International Semiconductor Ltd.
 //
-// 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; version 2.
-//
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>

sound/soc/codecs/madera.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: GPL-2.0-only
 //
 // Cirrus Logic Madera class codecs common support
 //
 // Copyright (C) 2015-2019 Cirrus Logic, Inc. and
 //                         Cirrus Logic International Semiconductor Ltd.
 //
-// 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; version 2.
-//
 
 #include <linux/delay.h>
 #include <linux/gcd.h>

sound/soc/codecs/madera.h

-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Cirrus Logic Madera class codecs common support
  *
  * Copyright (C) 2015-2018 Cirrus Logic, Inc. and
  *                         Cirrus Logic International Semiconductor Ltd.
- *
- * 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; version 2.
  */
 
 #ifndef ASOC_MADERA_H