ASoC: eukrea-tlv320: Switch to SPDX identifier

Adopt the SPDX license identifier headers to ease license compliance
management.
Signed-off-by: Andra Danciu <andradanciu1997@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/fsl/eukrea-tlv320.c

-/*
- * eukrea-tlv320.c  --  SoC audio for eukrea_cpuimxXX in I2S mode
- *
- * Copyright 2010 Eric Bénard, Eukréa Electromatique <eric@eukrea.com>
- *
- * based on sound/soc/s3c24xx/s3c24xx_simtec_tlv320aic23.c
- * which is Copyright 2009 Simtec Electronics
- * and on sound/soc/imx/phycore-ac97.c which is
- * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
- *
- *  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;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
- */
+// SPDX-License-Identifier: GPL-2.0+
+//
+// eukrea-tlv320.c  --  SoC audio for eukrea_cpuimxXX in I2S mode
+//
+// Copyright 2010 Eric Bénard, Eukréa Electromatique <eric@eukrea.com>
+//
+// based on sound/soc/s3c24xx/s3c24xx_simtec_tlv320aic23.c
+// which is Copyright 2009 Simtec Electronics
+// and on sound/soc/imx/phycore-ac97.c which is
+// Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
 
 #include <linux/errno.h>
 #include <linux/module.h>