ASoC: wcd9xxx: Move common data structure to common file

To use common mbhc code for multiple codecs, move the
common data structure to common file.

Change-Id: I72f53bb6729d0623aa26d044fac7765de2ab8939
Signed-off-by: Simmi Pateriya <simmip@codeaurora.org>
diff --git a/sound/soc/codecs/wcd9xxx-common.h b/sound/soc/codecs/wcd9xxx-common.h
index dc00ec6..6bc581c 100644
--- a/sound/soc/codecs/wcd9xxx-common.h
+++ b/sound/soc/codecs/wcd9xxx-common.h
@@ -55,6 +55,10 @@
 	struct wcd9xxx_resmgr *resmgr;
 };
 
+struct wcd9xxx_anc_header {
+	u32 reserved[3];
+	u32 num_anc_slots;
+};
 
 enum wcd9xxx_buck_volt {
 	WCD9XXX_CDC_BUCK_UNSUPPORTED = 0,