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/palm27x.c b/sound/soc/pxa/palm27x.c
index 3bb8879..4a9cf30 100644
--- a/sound/soc/pxa/palm27x.c
+++ b/sound/soc/pxa/palm27x.c
@@ -191,13 +191,13 @@
 
 static struct snd_soc_card palm27x_asoc = {
 	.name = "Palm/PXA27x",
+	.platform = &pxa2xx_soc_platform,
 	.dai_link = palm27x_dai,
 	.num_links = ARRAY_SIZE(palm27x_dai),
 };
 
 static struct snd_soc_device palm27x_snd_devdata = {
 	.card = &palm27x_asoc,
-	.platform = &pxa2xx_soc_platform,
 	.codec_dev = &soc_codec_dev_wm9712,
 };