ASoC: rsnd: fixup rsnd_dmapp_stop() return value

45a4394d03("ASoC: rsnd: use mod base common method on DMA phase3")
Exchanged "void rsnd_dmapp_stop()" to "int rsnd_dmapp_stop()",
but it returns inverted value. This patch fixup it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/rcar/dma.c

@@ -368,11 +368,11 @@ static int rsnd_dmapp_stop(struct rsnd_mod *mod,
 
 	for (i = 0; i < 1024; i++) {
 		if (0 == rsnd_dmapp_read(dma, PDMACHCR))
-			return -EIO;
+			return 0;
 		udelay(1);
 	}
 
-	return 0;
+	return -EIO;
 }
 
 static int rsnd_dmapp_start(struct rsnd_mod *mod,