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/Kconfig b/sound/soc/Kconfig
index 9e675c7..45eeaa9 100644
--- a/sound/soc/Kconfig
+++ b/sound/soc/Kconfig
@@ -51,6 +51,7 @@
 source "sound/soc/samsung/Kconfig"
 source "sound/soc/s6000/Kconfig"
 source "sound/soc/sh/Kconfig"
+source "sound/soc/spear/Kconfig"
 source "sound/soc/tegra/Kconfig"
 source "sound/soc/txx9/Kconfig"
 source "sound/soc/ux500/Kconfig"