ASoC: SAMSUNG: Add Machine driver for S/PDIF PCM audio

This patch add S/PDIF machine driver to support S/PDIF PCM audio
on SMDKC100, SMDKC110 and SMDKV210 boards.

Signed-off-by: Seungwhan Youn <sw.youn@samsung.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/s3c24xx/Kconfig b/sound/soc/s3c24xx/Kconfig
index e2cba93..8a6b53c 100644
--- a/sound/soc/s3c24xx/Kconfig
+++ b/sound/soc/s3c24xx/Kconfig
@@ -161,3 +161,10 @@
 	help
 	  Say Y if you want to add support for SoC audio on goni
 	  with the WM8994.
+
+config SND_SOC_SMDK_SPDIF
+	tristate "SoC S/PDIF Audio support for SMDK"
+	depends on SND_S3C24XX_SOC && (MACH_SMDKC100 || MACH_SMDKC110 || MACH_SMDKV210)
+	select SND_S5P_SOC_SPDIF
+	help
+	  Say Y if you want to add support for SoC S/PDIF audio on the SMDK.