qcacld-3.0: Change roam background scan abort log

Roam background scan abort, driver print roam result
failed, but current ap is still connected.
Change roam abort background scan log instead of fail.

Change-Id: Ia10f010e8c353b12bdbbe0407c8e3d30b1ea45c2
CRs-Fixed: 3469290

components/mlme/dispatcher/src/wlan_mlme_api.c

@@ -4820,6 +4820,8 @@ char *mlme_get_roam_fail_reason_str(enum wlan_roam_failure_reason_code result)
 		return "No AP found on final BMISS";
 	case ROAM_FAIL_REASON_NO_CAND_AP_FOUND_AND_FINAL_BMISS_SENT:
 		return "No Candidate AP found on final BMISS";
+	case ROAM_FAIL_REASON_CURR_AP_STILL_OK:
+		return "CURRENT AP STILL OK";
 	default:
 		return "UNKNOWN";
 	}