ASoC: fsl: Use devm_snd_dmaengine_pcm_register()

Makes the code shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --cc sound/soc/fsl/fsl_spdif.c
Simple merge

diff --cc sound/soc/fsl/fsl_ssi.c
Simple merge

diff --cc sound/soc/fsl/imx-pcm-dma.c
Simple merge

diff --cc sound/soc/fsl/imx-pcm.h
Simple merge

diff --cc sound/soc/fsl/imx-ssi.c
Simple merge