ASoC: rsnd: remove compatibility code

Now, all platform is using new style rsnd_dai_platform_info.
Keeping compatibility is no longer needed.
We can cleanup code.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --cc include/sound/rcar_snd.h
Simple merge

diff --cc sound/soc/sh/rcar/core.c
Simple merge

diff --cc sound/soc/sh/rcar/rsnd.h
Simple merge

diff --cc sound/soc/sh/rcar/src.c
Simple merge

diff --cc sound/soc/sh/rcar/ssi.c
Simple merge