qcacld-3.0: Add new concurrency mode for low latency SAP

Current SAP does not support MCC and for low latency SAP,
host driver needs to support MCC.
To support MCC with SAP, add new concurrency mode for low
latency low throughput SAP as PM_LL_LT_SAP_MODE.

CRs-Fixed: 3469425
Change-Id: Ifb4b2db3bf3c2b433324580fde32d1673df5ae67

components/cmn_services/policy_mgr/inc/wlan_policy_mgr_public_struct.h

@@ -330,6 +330,7 @@ enum policy_mgr_conc_priority_mode {
  * @PM_P2P_GO_MODE: P2P Go mode
  * @PM_NDI_MODE: NDI mode
  * @PM_NAN_DISC_MODE: NAN Discovery mode
+ * @PM_LL_LT_SAP_MODE: Low latency low throughput SAP
  * @PM_MAX_NUM_OF_MODE: max value place holder
  */
 enum policy_mgr_con_mode {
@@ -339,6 +340,7 @@ enum policy_mgr_con_mode {
 	PM_P2P_GO_MODE,
 	PM_NDI_MODE,
 	PM_NAN_DISC_MODE,
+	PM_LL_LT_SAP_MODE,
 	PM_MAX_NUM_OF_MODE
 };