ASoC: wcd: add audio codec drivers for MSM targets

Add snapshot of audio codec drivers for MSM targets from msm-4.4
kernel at the below commit level-

commit c03f0ace8a36 ("msm: ipa: enable suspend pipe for ODU")
(Kernel TIP as on 12-06-2016)

Change-Id: I80408bd56d3183fdedad427d28f857911e1d7738
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>
diff --git a/drivers/Kconfig b/drivers/Kconfig
index cc11302..cf03bd7 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -54,6 +54,8 @@
 
 source "drivers/i2c/Kconfig"
 
+source "drivers/soundwire/Kconfig"
+
 source "drivers/spi/Kconfig"
 
 source "drivers/spmi/Kconfig"