ASoC: mxs-sgtl5000: Remove unneeded fields from snd_soc_dai_link

It makes no sense to hardcode the I2C bus into the codec_name field.

cpu_dai_name and platform_name are also overwritten later in
mxs_sgtl5000_probe_dt().

So remove the three fields, as mxs platform is dt-only platform.
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Acked-by: NShawn Guo <shawn.guo@linaro.org>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/mxs/mxs-sgtl5000.c

@@ -90,17 +90,11 @@ static struct snd_soc_dai_link mxs_sgtl5000_dai[] = {
 		.name		= "HiFi Tx",
 		.stream_name	= "HiFi Playback",
 		.codec_dai_name	= "sgtl5000",
-		.codec_name	= "sgtl5000.0-000a",
-		.cpu_dai_name	= "mxs-saif.0",
-		.platform_name	= "mxs-saif.0",
 		.ops		= &mxs_sgtl5000_hifi_ops,
 	}, {
 		.name		= "HiFi Rx",
 		.stream_name	= "HiFi Capture",
 		.codec_dai_name	= "sgtl5000",
-		.codec_name	= "sgtl5000.0-000a",
-		.cpu_dai_name	= "mxs-saif.1",
-		.platform_name	= "mxs-saif.1",
 		.ops		= &mxs_sgtl5000_hifi_ops,
 	},
 };