[ALSA] Add EM-X270 ASoC driver

This patch adds ASoC support for EM-X270 machine.

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig
index 18a40dc..12f6ac9 100644
--- a/sound/soc/pxa/Kconfig
+++ b/sound/soc/pxa/Kconfig
@@ -62,3 +62,12 @@
 	help
 	  Say Y if you want to add support for SoC audio on the
 	  Toshiba e800 PDA
+
+config SND_PXA2XX_SOC_EM_X270
+	tristate "SoC Audio support for CompuLab EM-x270"
+	depends on SND_PXA2XX_SOC && MACH_EM_X270
+	select SND_PXA2XX_SOC_AC97
+	select SND_SOC_WM9712
+	help
+	  Say Y if you want to add support for SoC audio on
+	  CompuLab EM-x270.