qcacld-3.0: Fix NAN + NDI only concurrency for DBS

Fix an issue where driver downgrades HW to single MAC mode for
NAN + NDI concurrency. DBS must be enabled for since NAN operates
in 2G.

Change-Id: Ie4d76e7a73d40ce663c6f907693954b62add0394
CRs-fixed: 2460830

components/cmn_services/policy_mgr/src/wlan_policy_mgr_action.c

@@ -470,6 +470,7 @@ bool policy_mgr_is_dbs_allowed_for_concurrency(
 		switch (new_conn_mode) {
 		case QDF_STA_MODE:
 		case QDF_SAP_MODE:
+		case QDF_NDI_MODE:
 			return true;
 		default:
 			return false;