ASoC: Push platform registration down into the card

As part of the deprecation of snd_soc_device push the registration of
the platform down into the card structure.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/pxa/tosa.c b/sound/soc/pxa/tosa.c
index 48242b3..c77194f 100644
--- a/sound/soc/pxa/tosa.c
+++ b/sound/soc/pxa/tosa.c
@@ -252,6 +252,7 @@
 
 static struct snd_soc_card tosa = {
 	.name = "Tosa",
+	.platform = &pxa2xx_soc_platform,
 	.dai_link = tosa_dai,
 	.num_links = ARRAY_SIZE(tosa_dai),
 	.probe = tosa_probe,
@@ -260,7 +261,6 @@
 
 static struct snd_soc_device tosa_snd_devdata = {
 	.card = &tosa,
-	.platform = &pxa2xx_soc_platform,
 	.codec_dev = &soc_codec_dev_wm9712,
 };