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/sh/fsi.c b/sound/soc/sh/fsi.c
index 4a9da6b..339a1df 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -1129,10 +1129,10 @@
 	snd_pcm_lib_preallocate_free_for_all(pcm);
 }
 
-static int fsi_pcm_new(struct snd_card *card,
-		       struct snd_soc_dai *dai,
-		       struct snd_pcm *pcm)
+static int fsi_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
+	struct snd_pcm *pcm = rtd->pcm;
+
 	/*
 	 * dont use SNDRV_DMA_TYPE_DEV, since it will oops the SH kernel
 	 * in MMAP mode (i.e. aplay -M)