After using snd_soc_register_card() in smdk_wm8994.c, the sound
card is registered as a platform driver and it needs related platform
device entry in machine file.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Acked-by: NSangbeom Kim <sbkim73@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>