ASoC: SAMSUNG: Add Kconfig to support SMDK4212

This patch adds Kconfig to support SMDK4212.
SMDK4212 is based on samsung exynos4212 SoC.
And WM8994 is used for audio codec.
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/samsung/Kconfig

@@ -63,7 +63,7 @@ config SND_SOC_SAMSUNG_SMDK_WM8580
 
 config SND_SOC_SAMSUNG_SMDK_WM8994
 	tristate "SoC I2S Audio support for WM8994 on SMDK"
-	depends on SND_SOC_SAMSUNG && (MACH_SMDKV310 || MACH_SMDKC210)
+	depends on SND_SOC_SAMSUNG && (MACH_SMDKV310 || MACH_SMDKC210 || MACH_SMDK4212)
 	select SND_SOC_WM8994
 	select SND_SAMSUNG_I2S
 	help
@@ -158,7 +158,7 @@ config SND_SOC_GONI_AQUILA_WM8994
 
 config SND_SOC_SAMSUNG_SMDK_SPDIF
 	tristate "SoC S/PDIF Audio support for SMDK"
-	depends on SND_SOC_SAMSUNG && (MACH_SMDKC100 || MACH_SMDKC110 || MACH_SMDKV210 || MACH_SMDKV310)
+	depends on SND_SOC_SAMSUNG && (MACH_SMDKC100 || MACH_SMDKC110 || MACH_SMDKV210 || MACH_SMDKV310 || MACH_SMDK4212)
 	select SND_SAMSUNG_SPDIF
 	help
 	  Say Y if you want to add support for SoC S/PDIF audio on the SMDK.
@@ -173,7 +173,7 @@ config SND_SOC_SMDK_WM8580_PCM
 
 config SND_SOC_SMDK_WM8994_PCM
 	tristate "SoC PCM Audio support for WM8994 on SMDK"
-	depends on SND_SOC_SAMSUNG && (MACH_SMDKC210 || MACH_SMDKV310)
+	depends on SND_SOC_SAMSUNG && (MACH_SMDKC210 || MACH_SMDKV310 || MACH_SMDK4212)
 	select SND_SOC_WM8994
 	select SND_SAMSUNG_PCM
 	help