Portenta OTA: include Arduino_ConnectionHandler.h instead of Wifi/Ethernet.h

  In this way we can also use the more meaningful define BOARD_HAS_ETHERNET

Author: pennam

Diff for: src/utility/ota/OTA-portenta-h7.cpp

@@ -25,9 +25,7 @@
 
 #include <Arduino_DebugUtils.h>
 #include <Arduino_Portenta_OTA.h>
-
-#include <WiFi.h>
-#include <Ethernet.h>
+#include <Arduino_ConnectionHandler.h>
 
 #include "../watchdog/Watchdog.h"
 
@@ -65,7 +63,7 @@ int portenta_h7_onOTARequest(char const * ota_url, const bool use_ethernet)
 
   /* Download the OTA file from the web storage location. */
   MbedSocketClass * download_socket = static_cast<MbedSocketClass*>(&WiFi);
-#if defined (ARDUINO_PORTENTA_H7_M7)
+#if defined (BOARD_HAS_ETHERNET)
   if(use_ethernet) {
     download_socket = static_cast<MbedSocketClass*>(&Ethernet);
   }