qcacmn: Scan duration is longer

Default scan type is configured as non-dbs
mode because of that scan is taking longer
duration to complete.

Modified default scan type to DBS.

Change-Id: I7f274ea34780b196fa0269968cb8ad76ee239c9f
CRs-Fixed: 2239341

umac/scan/dispatcher/src/wlan_scan_ucfg_api.c

@@ -424,7 +424,7 @@ ucfg_scan_update_dbs_scan_ctrl_ext_flag(struct scan_start_request *req)
 {
 	uint32_t num_chan;
 	struct wlan_objmgr_psoc *psoc;
-	uint32_t scan_dbs_policy = SCAN_DBS_POLICY_FORCE_NONDBS;
+	uint32_t scan_dbs_policy = SCAN_DBS_POLICY_DEFAULT;
 	uint32_t conn_cnt;
 
 	psoc = wlan_vdev_get_psoc(req->vdev);