WiFi: add firmwareVersion method

Author: andreagilardoni

libraries/WiFi/src/WiFi.cpp

@@ -1,3 +1,11 @@
 #include "WiFi.h"
 
 WiFiClass WiFi;
+
+String WiFiClass::firmwareVersion() {
+#if defined(ARDUINO_PORTENTA_C33)
+	return "v1.5.0";
+#else
+	return "v0.0.0";
+#endif
+}

libraries/WiFi/src/WiFi.h

@@ -113,6 +113,8 @@ class WiFiClass : public NetworkInterface {
 		return 0;
 	}
 
+	String firmwareVersion();
+
 private:
 	struct net_if *sta_iface = nullptr;
 	struct net_if *ap_iface = nullptr;