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

In preparation for ASoC DSP support.

Currently pcm_new() passes in card, pcm and DAI. Refactor this to only pass
in rtd since rtd contains card, pcm and DAI. Struct rtd also contain other
members too that are useful to DSPs.

Signed-off-by: Liam Girdwood <lrg@ti.com>
diff --git a/sound/soc/txx9/txx9aclc.c b/sound/soc/txx9/txx9aclc.c
index f4aa4e0..34aa972 100644
--- a/sound/soc/txx9/txx9aclc.c
+++ b/sound/soc/txx9/txx9aclc.c
@@ -288,9 +288,10 @@
 	snd_pcm_lib_preallocate_free_for_all(pcm);
 }
 
-static int txx9aclc_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
-			    struct snd_pcm *pcm)
+static int txx9aclc_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
+	struct snd_soc_dai *dai = rtd->cpu_dai;
+	struct snd_pcm *pcm = rtd->pcm;
 	struct platform_device *pdev = to_platform_device(dai->platform->dev);
 	struct txx9aclc_soc_device *dev;
 	struct resource *r;