ASoC: rsnd: remove SH-DMA-BASE specific implementation

Renesas R-Car sound had SH-DMA-BASE specific implementation before,
but, now, it is no longer needed. Let's remove it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/rcar/core.c

@@ -94,7 +94,6 @@
  *
  */
 #include <linux/pm_runtime.h>
-#include <linux/shdma-base.h>
 #include "rsnd.h"
 
 #define RSND_RATES SNDRV_PCM_RATE_8000_96000

sound/soc/sh/rcar/rsnd.h

@@ -171,7 +171,6 @@ u32 rsnd_get_adinr(struct rsnd_mod *mod);
  *	R-Car DMA
  */
 struct rsnd_dma {
-	struct sh_dmae_slave	slave;
 	struct dma_chan		*chan;
 	enum dma_transfer_direction dir;
 	dma_addr_t		addr;