asoc: codecs: Add new class-H driver for wcd937x

Add new class-H driver with sequences to support
both class-H and class-AB modes on wcd937x variants.

Change-Id: Ie109f3d951af1e8a0079dd39ab2fe1e9883bd6c2
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>

asoc/codecs/wcd937x/internal.h

@@ -13,6 +13,7 @@
 #ifndef _WCD937X_INTERNAL_H
 #define _WCD937X_INTERNAL_H
 
+#include "../wcd-clsh.h"
 #include "../wcd-mbhc-v2.h"
 #include "asoc/wcd-irq.h"
 #include "wcd937x-mbhc.h"
@@ -54,6 +55,8 @@ struct wcd937x_priv {
 	s32 dmic_0_1_clk_cnt;
 	s32 dmic_2_3_clk_cnt;
 	s32 dmic_4_5_clk_cnt;
+	/* class h specific info */
+	struct wcd_clsh_cdc_info clsh_info;
 	/* mbhc module */
 	struct wcd937x_mbhc *mbhc;