dma: rcar-audmapp: Fix for no corresponding slave ID
dma: rcar-audmapp: Fix for no corresponding slave ID

In case of no corresponding slave ID, the audmapp_set_slave() returns
-ENXIO same as sh_dmae_set_slave() of shdmac.c.
DMAEngine might return wrong channel without this patch

Signed-off-by: Ryo Kataoka <77103af84cb3495db9643598ebd3b463d2df6f3f@renesas.com>
Signed-off-by: Jun Watanabe <b3e4c00eddadd7779845bd9a0d8c96a724ca20d5@renesas.com>,
Signed-off-by: Kuninori Morimoto <a3b51ccb87d18302c1692defcfbf83319d1737eb@renesas.com>
Signed-off-by: Vinod Koul <5cf69c63beb17bf38d63aa0e923ee8256af0e205@intel.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs