ASoC: am3517evm: Use the same name for platform as the cpu_dai

Now that the platform driver is registered with the cpu_dai's device we
can use the same name for it.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/omap/am3517evm.c

@@ -77,7 +77,7 @@ static struct snd_soc_dai_link am3517evm_dai = {
 	.stream_name = "AIC23",
 	.cpu_dai_name = "omap-mcbsp.1",
 	.codec_dai_name = "tlv320aic23-hifi",
-	.platform_name = "omap-pcm-audio",
+	.platform_name = "omap-mcbsp.1",
 	.codec_name = "tlv320aic23-codec.2-001a",
 	.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF |
 		   SND_SOC_DAIFMT_CBM_CFM,