ASoC: samsung: Use devm_snd_soc_register_card

Replace snd_soc_register_card with devm_snd_soc_register_card.
With this change, we can delete the empty remove functions.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --cc sound/soc/samsung/bells.c
Simple merge

diff --cc sound/soc/samsung/littlemill.c
Simple merge

diff --cc sound/soc/samsung/lowland.c
Simple merge

diff --cc sound/soc/samsung/smdk_wm8580pcm.c
Simple merge

diff --cc sound/soc/samsung/smdk_wm8994pcm.c
Simple merge

diff --cc sound/soc/samsung/speyside.c
Simple merge

diff --cc sound/soc/samsung/tobermory.c
Simple merge