ASoC: generic-dmaengine: Drop superfluous ioctl PCM ops

ASoC PCM core deals the empty ioctl field now as default.
Let's kill the redundant lines.

Cc: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20191210145406.21419-16-tiwai@suse.deSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/soc-generic-dmaengine-pcm.c

@@ -329,7 +329,6 @@ static const struct snd_soc_component_driver dmaengine_pcm_component = {
 	.probe_order	= SND_SOC_COMP_ORDER_LATE,
 	.open		= dmaengine_pcm_open,
 	.close		= dmaengine_pcm_close,
-	.ioctl		= snd_soc_pcm_lib_ioctl,
 	.hw_params	= dmaengine_pcm_hw_params,
 	.hw_free	= dmaengine_pcm_hw_free,
 	.trigger	= dmaengine_pcm_trigger,
@@ -342,7 +341,6 @@ static const struct snd_soc_component_driver dmaengine_pcm_component_process = {
 	.probe_order	= SND_SOC_COMP_ORDER_LATE,
 	.open		= dmaengine_pcm_open,
 	.close		= dmaengine_pcm_close,
-	.ioctl		= snd_soc_pcm_lib_ioctl,
 	.hw_params	= dmaengine_pcm_hw_params,
 	.hw_free	= dmaengine_pcm_hw_free,
 	.trigger	= dmaengine_pcm_trigger,