qcacld-3.0: Fix logging level for prints during roaming

Change the logging level of prints that occur during roaming
happens.

Change-Id: I54706d93a30441e48a0e3cb03d7373d2e5b50fee
CRs-Fixed: 3133890

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

@@ -3065,7 +3065,7 @@ void cm_report_roam_rt_stats(struct wlan_objmgr_psoc *psoc,
 	struct roam_stats_event *roam_event = NULL;
 
 	if (!wlan_cm_get_roam_rt_stats(psoc, ROAM_RT_STATS_ENABLE)) {
-		mlme_err("Roam events stats is disabled");
+		mlme_debug("Roam events stats is disabled");
 		return;
 	}