qcacmn: Add bus failure reason code to vendor indication

Add bus failure hang reason code in enum qca_wlan_vendor_hang_reason.

Change-Id: I0ea7fff779459a1cccd44c6336a0c49d73f8b37d
CRs-Fixed: 2825302

os_if/linux/qca_vendor.h

@@ -796,6 +796,8 @@ enum qca_wlan_vendor_hang_reason {
 	QCA_WLAN_HANG_REG_WRITE_FAILURE = 24,
 	/* No credit left to send the wow_wakeup_from_sleep to firmware */
 	QCA_WLAN_HANG_SUSPEND_NO_CREDIT = 25,
+	/* Bus failure */
+	QCA_WLAN_HANG_BUS_FAILURE = 26,
 };
 
 /**