sandbox: exynos: Move CONFIG_SOUND_MAX98095 to Kconfig

Move this over to Kconfig and tidy up.

Signed-off-by: Simon Glass <sjg@chromium.org>

configs/arndale_defconfig

@@ -7,3 +7,4 @@ CONFIG_SOUND=y
 CONFIG_CMD_SOUND=y
 CONFIG_I2S=y
 CONFIG_I2S_SAMSUNG=y
+CONFIG_SOUND_MAX98095=y

configs/smdk5250_defconfig

@@ -7,3 +7,4 @@ CONFIG_SOUND=y
 CONFIG_CMD_SOUND=y
 CONFIG_I2S=y
 CONFIG_I2S_SAMSUNG=y
+CONFIG_SOUND_MAX98095=y

configs/snow_defconfig

@@ -11,3 +11,4 @@ CONFIG_SOUND=y
 CONFIG_CMD_SOUND=y
 CONFIG_I2S=y
 CONFIG_I2S_SAMSUNG=y
+CONFIG_SOUND_MAX98095=y

drivers/sound/Kconfig

@@ -28,3 +28,11 @@ config I2S_SAMSUNG
 	  using one of the available audio codec drivers. Enabling this
 	  option provides an implementation for sound_init() and
 	  sound_play().
+
+config SOUND_MAX98095
+	bool "Support Maxim max98095 audio codec"
+	depends on I2S_SAMSUNG
+	help
+	  Enable the max98095 audio codec. This is connected via I2S for
+	  audio data and I2C for codec control. At present it only works
+	  with the Samsung I2S driver.

include/configs/exynos5250-common.h

@@ -30,7 +30,6 @@
 
 /* Sound */
 #ifdef CONFIG_CMD_SOUND
-#define CONFIG_SOUND_MAX98095
 #define CONFIG_SOUND_WM8994
 #endif