[ALSA] Davinci ASoC support

Add ASoC support for the TI Davinci SoC and the Davicni-EVM reference board.
It includes:
- ASoC Davinci DMA driver
- ASoC Davinci I2S (Davinci McBSP module based) driver
- ASoC Davinci-EVM reference board

Signed-off-by: Vladimir Barinov <vbarinov@ru.mvista.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/soc/Kconfig b/sound/soc/Kconfig
index 27658521..a3b51df 100644
--- a/sound/soc/Kconfig
+++ b/sound/soc/Kconfig
@@ -29,6 +29,7 @@
 source "sound/soc/s3c24xx/Kconfig"
 source "sound/soc/sh/Kconfig"
 source "sound/soc/fsl/Kconfig"
+source "sound/soc/davinci/Kconfig"
 
 # Supported codecs
 source "sound/soc/codecs/Kconfig"