Add PortentaH7 target (#37)

Co-authored-by: Martino Facchin <m.facchin@arduino.cc>

Author: aentinger

src/Arduino_ConnectionHandler.h

@@ -40,6 +40,16 @@
   #define WIFI_FIRMWARE_VERSION_REQUIRED WIFI_FIRMWARE_LATEST_VERSION
 #endif
 
+#if defined(ARDUINO_PORTENTA_H7_M7) || defined(ARDUINO_PORTENTA_H7_M4)
+  #include <WiFi.h>
+  #include <WiFiUdp.h>
+
+  #define BOARD_HAS_WIFI
+  #define NETWORK_HARDWARE_ERROR WL_NO_SHIELD
+  #define NETWORK_IDLE_STATUS WL_IDLE_STATUS
+  #define NETWORK_CONNECTED WL_CONNECTED
+#endif
+
 #ifdef ARDUINO_SAMD_MKRGSM1400
   #include <MKRGSM.h>
   #define BOARD_HAS_GSM

src/Arduino_WiFiConnectionHandler.cpp

@@ -65,12 +65,15 @@ NetworkConnectionState WiFiConnectionHandler::update_handleInit()
 
   Debug.print(DBG_ERROR, "Current WiFi Firmware: %s", WiFi.firmwareVersion());
 
+#if defined(WIFI_FIRMWARE_VERSION_REQUIRED)
   if (WiFi.firmwareVersion() < WIFI_FIRMWARE_VERSION_REQUIRED)
   {
     Debug.print(DBG_ERROR, "Latest WiFi Firmware: %s", WIFI_FIRMWARE_VERSION_REQUIRED);
     Debug.print(DBG_ERROR, "Please update to the latest version for best performance.");
     delay(5000);
   }
+#endif
+
 #else
   Debug.print(DBG_ERROR, "WiFi status ESP: %d", WiFi.status());
   WiFi.disconnect();