ASoC: fsl_spdif: Remove unnecessary dev_set_drvdata()

Driver core clears the driver data to NULL after device_release or on probe
failure, so just remove it from here.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Nicolin Chen <b42378@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
1 file changed