qcacld-3.0: Disallow MCC for STA_POLICY_UNBIASED

Even primary interface is configured, if dual STA policy is
STA_POLICY_UNBIASED, MCC is disallowed for both roaming and connect.

Change-Id: I6e26fdcdc930eb116771abfe310811c6534be09f
CRs-Fixed: 3396425

components/umac/mlme/connection_mgr/dispatcher/src/wlan_cm_roam_api.c

@@ -278,7 +278,9 @@ bool wlan_cm_same_band_sta_allowed(struct wlan_objmgr_psoc *psoc)
 		return true;
 
 	dual_sta_policy = &mlme_obj->cfg.gen.dual_sta_policy;
-	if (dual_sta_policy->primary_vdev_id != WLAN_UMAC_VDEV_ID_MAX)
+	if (dual_sta_policy->primary_vdev_id != WLAN_UMAC_VDEV_ID_MAX &&
+	    dual_sta_policy->concurrent_sta_policy ==
+	    QCA_WLAN_CONCURRENT_STA_POLICY_PREFER_PRIMARY)
 		return true;
 
 	return false;
@@ -496,7 +498,7 @@ wlan_cm_dual_sta_roam_update_connect_channels(struct wlan_objmgr_psoc *psoc,
 	 * environment, so that user can switch to second
 	 * connection and mark it as primary.
 	 */
-	if (dual_sta_policy->primary_vdev_id != WLAN_UMAC_VDEV_ID_MAX)
+	if (wlan_mlme_is_primary_interface_configured(psoc))
 		return;
 
 	/*