qcacmn: Add wmi support for btcoex duty cycle command

A new iwpriv command has been added to configure the period
and wlan duration for a btcoex duty cycle.

As a part of this registring the wmi_service_btcoex_duty_cycle
for WMI_SERVICE_BTCOEX_DUTY_CYCLE.

Also send_btcoex_wlan_priority_cmd registrtaion for btcoex
duty cycle command in non_tlv_ops.

Change-Id: I7f3bfdfd9804566d6d0b7cce7025e99db57d0e23
Acked-by: Basamma Yakkanahalli <ybasamma@qti.qualcomm.com>
CRs-Fixed: 1064437

wmi_unified_tlv.c

@@ -13103,6 +13103,7 @@ static void populate_tlv_service(uint32_t *wmi_service)
 	wmi_service[wmi_service_tx_mode_push_only] = WMI_SERVICE_UNAVAILABLE;
 	wmi_service[wmi_service_tx_mode_push_pull] = WMI_SERVICE_UNAVAILABLE;
 	wmi_service[wmi_service_tx_mode_dynamic] = WMI_SERVICE_UNAVAILABLE;
+	wmi_service[wmi_service_btcoex_duty_cycle] = WMI_SERVICE_UNAVAILABLE;
 }
 
 /**