ASoC: ux500_pcm: No need to use snd_dmaengine_pcm_set_data()

The driver never uses snd_dmaengine_pcm_get_data(), so there is no need to use
snd_dmaengine_pcm_set_data().

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Ola Lilja <ola.o.lilja@stericsson.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/ux500/ux500_pcm.c

@@ -155,8 +155,6 @@ static int ux500_pcm_open(struct snd_pcm_substream *substream)
 		return ret;
 	}
 
-	snd_dmaengine_pcm_set_data(substream, dma_cfg);
-
 	return 0;
 }