ASoC: OMAP: Update Makefile and Kconfig for HDMI audio

Update Makefile and Kconfig to build HDMI audio support for
OMAP4 SDP and Panda boards.

Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@ti.com>
diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig
index b592298..e8ca5be 100644
--- a/sound/soc/omap/Kconfig
+++ b/sound/soc/omap/Kconfig
@@ -9,6 +9,9 @@
 config SND_OMAP_SOC_MCPDM
 	tristate
 
+config SND_OMAP_SOC_HDMI
+	tristate
+
 config SND_OMAP_SOC_N810
 	tristate "SoC Audio support for Nokia N810"
 	depends on SND_OMAP_SOC && MACH_NOKIA_N810 && I2C
@@ -108,6 +111,14 @@
 	  Say Y if you want to add support for SoC audio on Texas Instruments
 	  SDP4430.
 
+config SND_OMAP_SOC_OMAP4_HDMI
+	tristate "SoC Audio support for Texas Instruments OMAP4 HDMI"
+	depends on SND_OMAP_SOC && OMAP4_DSS_HDMI && OMAP2_DSS && ARCH_OMAP4
+	select SND_OMAP_SOC_HDMI
+	help
+	  Say Y if you want to add support for SoC HDMI audio on Texas Instruments
+	  OMAP4 chips
+
 config SND_OMAP_SOC_OMAP3_PANDORA
 	tristate "SoC Audio support for OMAP3 Pandora"
 	depends on TWL4030_CORE && SND_OMAP_SOC && MACH_OMAP3_PANDORA