ASoC: twl6040/sdp4430: Change legacy DAI name

Change the legacy DAI name from "twl6040-hifi" to "twl6040-legacy" to
be more intuitive.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/omap/sdp4430.c b/sound/soc/omap/sdp4430.c
index a951774..4200eb4 100644
--- a/sound/soc/omap/sdp4430.c
+++ b/sound/soc/omap/sdp4430.c
@@ -166,7 +166,7 @@
 	.name = "TWL6040",
 	.stream_name = "TWL6040",
 	.cpu_dai_name = "omap-mcpdm",
-	.codec_dai_name = "twl6040-hifi",
+	.codec_dai_name = "twl6040-legacy",
 	.platform_name = "omap-pcm-audio",
 	.codec_name = "twl6040-codec",
 	.init = sdp4430_twl6040_init,