Fix SelfProvisioning

Author: Luigi Gubello

examples/utility/SelfProvisioning/SelfProvisioning.ino

@@ -34,6 +34,9 @@ const int compressedCertSlot                        = 10;
 const int serialNumberAndAuthorityKeyIdentifierSlot = 11;
 const int deviceIdSlot                              = 12;
 
+const int MIN_NTP_PORT = 49152;
+const int MAX_NTP_PORT = 65535;
+
 char ssid[] = SECRET_SSID;
 char pass[] = SECRET_PASS;
 char client_id[] = SECRET_CLIENT_ID;