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>

sound/soc/codecs/cs47l35.c

@@ -1,14 +1,10 @@
-// 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

@@ -1,14 +1,10 @@
-// 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

@@ -1,14 +1,10 @@
-// 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

@@ -1,14 +1,10 @@
-// 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

@@ -1,13 +1,9 @@
-/* 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