ASoC: core - Optimise and refactor pcm_new() to pass only rtd

Currently pcm_new() passes in 3 arguments :- card, pcm and DAI.

Refactor this to only pass in 1 argument (i.e. the rtd) since struct rtd contains
card, pcm and DAI along with other members too that are useful too.

Signed-off-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/davinci/davinci-pcm.c

@@ -833,9 +833,11 @@ static void davinci_pcm_free(struct snd_pcm *pcm)
 
 static u64 davinci_pcm_dmamask = 0xffffffff;
 
-static int davinci_pcm_new(struct snd_card *card,
-			   struct snd_soc_dai *dai, struct snd_pcm *pcm)
+static int davinci_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
+	struct snd_card *card = rtd->card->snd_card;
+	struct snd_soc_dai *dai = rtd->cpu_dai;
+	struct snd_pcm *pcm = rtd->pcm;
 	int ret;
 
 	if (!card->dev->dma_mask)