ASoC: samsung: Use devm_snd_soc_register_platform

Replaced snd_soc_register_platform with devm_snd_soc_register_platform
in samsung_asoc_dma_platform_register(). This makes the function
samsung_asoc_dma_platform_unregister() redundant. This is removed and
all its users are updated.

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

diff --cc sound/soc/samsung/ac97.c
Simple merge

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

diff --cc sound/soc/samsung/dma.h
Simple merge

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

diff --cc sound/soc/samsung/i2s.c
Simple merge

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

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

diff --cc sound/soc/samsung/s3c2412-i2s.c
Simple merge

diff --cc sound/soc/samsung/s3c24xx-i2s.c
Simple merge

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