asoc: wcd937x: add support for disable HPH compander

On wcd937x, add controls for HPH compander.
Handle sequences for headphone path based on
compander enabled or disabled.

Change-Id: I2ebdd03a4f79dc6156327d0613fab2f26710393f
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>

asoc/codecs/wcd937x/internal.h

@@ -58,6 +58,8 @@ struct wcd937x_priv {
 	struct wcd937x_mbhc *mbhc;
 
 	u32 hph_mode;
+	bool comp1_enable;
+	bool comp2_enable;
 
 	struct irq_domain *virq;
 	struct wcd_irq_info irq_info;