asoc: wcd938x: update wcd938x driver

Update wcd938x driver to fix compile error.

Change-Id: Ifc939a46d7e09852b147289dd9e69d2f56a67751
Signed-off-by: Meng Wang <mengw@codeaurora.org>

asoc/codecs/wcd938x/internal.h

@@ -8,6 +8,7 @@
 
 #include <asoc/wcd-mbhc-v2.h>
 #include <asoc/wcd-irq.h>
+#include <asoc/wcd-clsh.h>
 #include "wcd938x-mbhc.h"
 
 #define WCD938X_MAX_MICBIAS 4