ASoC: Add SmartQ sound driver

This adds sound support for the SmartQ board.

The hardware consists of a S3C6410 coupled with a WM8987 over I²S. The WM8750
driver is used for driving the WM8987, as they are register compatible.

Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/s3c24xx/Kconfig b/sound/soc/s3c24xx/Kconfig
index 292d817..213963ac 100644
--- a/sound/soc/s3c24xx/Kconfig
+++ b/sound/soc/s3c24xx/Kconfig
@@ -125,3 +125,9 @@
 	select SND_S3C_SOC_AC97
 	help
 	  Sat Y if you want to add support for SoC audio on the SMDK.
+
+config SND_S3C64XX_SOC_SMARTQ
+	tristate "SoC I2S Audio support for SmartQ board"
+	depends on SND_S3C24XX_SOC && MACH_SMARTQ
+	select SND_S3C64XX_SOC_I2S
+	select SND_SOC_WM8750