ASoC: fsl: Drop SND_SOC_FSL_UTILS from SND_SOC_IMX_SPDIF

SND_SOC_FSL_UTILS is only used by PowerPC machines, so let's drop it in the
i.mx case.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Nicolin Chen <b42378@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/fsl/Kconfig

@@ -197,7 +197,6 @@ config SND_SOC_IMX_SPDIF
 	tristate "SoC Audio support for i.MX boards with S/PDIF"
 	select SND_SOC_IMX_PCM_DMA
 	select SND_SOC_FSL_SPDIF
-	select SND_SOC_FSL_UTILS
 	select SND_SOC_SPDIF
 	help
 	  SoC Audio support for i.MX boards with S/PDIF