ASoC: s6000-pcm: remove unused variable 'dai'

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Daniel Glöckner <dg@emlix.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/s6000/s6000-pcm.c

@@ -446,7 +446,6 @@ static u64 s6000_pcm_dmamask = DMA_BIT_MASK(32);
 static int s6000_pcm_new(struct snd_soc_pcm_runtime *runtime)
 {
 	struct snd_card *card = runtime->card->snd_card;
-	struct snd_soc_dai *dai = runtime->cpu_dai;
 	struct snd_pcm *pcm = runtime->pcm;
 	struct s6000_pcm_dma_params *params;
 	int res;