ASoC: Add ability to build sti drivers

Define the platform and codec drivers, and how to build them.
Signed-off-by: NArnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

sound/soc/Kconfig

@@ -54,6 +54,7 @@ source "sound/soc/samsung/Kconfig"
 source "sound/soc/sh/Kconfig"
 source "sound/soc/sirf/Kconfig"
 source "sound/soc/spear/Kconfig"
+source "sound/soc/sti/Kconfig"
 source "sound/soc/tegra/Kconfig"
 source "sound/soc/txx9/Kconfig"
 source "sound/soc/ux500/Kconfig"

sound/soc/Makefile

@@ -36,6 +36,7 @@ obj-$(CONFIG_SND_SOC)	+= samsung/
 obj-$(CONFIG_SND_SOC)	+= sh/
 obj-$(CONFIG_SND_SOC)	+= sirf/
 obj-$(CONFIG_SND_SOC)	+= spear/
+obj-$(CONFIG_SND_SOC)	+= sti/
 obj-$(CONFIG_SND_SOC)	+= tegra/
 obj-$(CONFIG_SND_SOC)	+= txx9/
 obj-$(CONFIG_SND_SOC)	+= ux500/

sound/soc/sti/Kconfig

+#
+# STM SoC audio configuration
+#
+menuconfig SND_SOC_STI
+	tristate "SoC Audio support for STI System-On-Chip"
+	depends on SND_SOC
+	depends on ARCH_STI || COMPILE_TEST
+	select SND_SOC_GENERIC_DMAENGINE_PCM
+	help
+		Say Y if you want to enable ASoC-support for
+		any of the STI platforms (e.g. STIH416).

sound/soc/sti/Makefile

+# STI platform support
+snd-soc-sti-objs := sti_uniperif.o uniperif_player.o uniperif_reader.o
+
+obj-$(CONFIG_SND_SOC_STI) += snd-soc-sti.o