ASoC: Add Kconfig and Makefile to support SPEAr audio driver

This patch adds Kconfig and Makefile to support SPEAr Audio driver.

Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/Makefile b/sound/soc/Makefile
index 197b6ae..bc02614 100644
--- a/sound/soc/Makefile
+++ b/sound/soc/Makefile
@@ -29,6 +29,7 @@
 obj-$(CONFIG_SND_SOC)	+= samsung/
 obj-$(CONFIG_SND_SOC)	+= s6000/
 obj-$(CONFIG_SND_SOC)	+= sh/
+obj-$(CONFIG_SND_SOC)	+= spear/
 obj-$(CONFIG_SND_SOC)	+= tegra/
 obj-$(CONFIG_SND_SOC)	+= txx9/
 obj-$(CONFIG_SND_SOC)	+= ux500/