Improve warning message in case nina firmware version is below 1.4.1

Author: aentinger

src/ArduinoIoTCloudTCP.cpp

@@ -146,11 +146,9 @@ int ArduinoIoTCloudTCP::begin(String brokerAddress, uint16_t brokerPort)
 
 #if OTA_STORAGE_SNU
   String const nina_fw_version = WiFi.firmwareVersion();
-  if (nina_fw_version < "1.4.1")
-  {
+  if (nina_fw_version < "1.4.1") {
     _ota_cap = false;
-    DBG_ERROR(F("ArduinoIoTCloudTCP::%s error nina firmware needs to be >= 1.4.1, current %s"), __FUNCTION__, nina_fw_version.c_str());
-    return 0;
+    DBG_WARNING(F("ArduinoIoTCloudTCP::%s In order to be ready for cloud OTA nina firmware needs to be >= 1.4.1, current %s"), __FUNCTION__, nina_fw_version.c_str());
   }
   else {
     _ota_cap = true;