asoc: wcd937x: enable headset detection

Enable mbhc on wcd937x for headset insertion and
removal detection.

Change-Id: I0b2ae7ea061a99ad89f9adea00c898dac4442ca6
Signed-off-by: Ramprasad Katkam <katkam@codeaurora.org>
diff --git a/asoc/Kbuild b/asoc/Kbuild
index 311fbae..253ceef 100644
--- a/asoc/Kbuild
+++ b/asoc/Kbuild
@@ -191,6 +191,7 @@
 KBUILD_EXTRA_SYMBOLS +=$(OUT)/obj/vendor/qcom/opensource/audio-kernel/dsp/Module.symvers
 KBUILD_EXTRA_SYMBOLS +=$(OUT)/obj/vendor/qcom/opensource/audio-kernel/asoc/codecs/Module.symvers
 KBUILD_EXTRA_SYMBOLS +=$(OUT)/obj/vendor/qcom/opensource/audio-kernel/asoc/codecs/wcd934x/Module.symvers
+KBUILD_EXTRA_SYMBOLS +=$(OUT)/obj/vendor/qcom/opensource/audio-kernel/asoc/codecs/wcd937x/Module.symvers
 KBUILD_EXTRA_SYMBOLS +=$(OUT)/obj/vendor/qcom/opensource/audio-kernel/asoc/codecs/sdm660_cdc/Module.symvers
 KBUILD_EXTRA_SYMBOLS +=$(OUT)/obj/vendor/qcom/opensource/audio-kernel/asoc/codecs/msm_sdw/Module.symvers
 endif