Add systemReset function

Author: pennam

src/ArduinoIoTCloudTCP.cpp

@@ -615,6 +615,21 @@ void ArduinoIoTCloudTCP::onOTARequest()
   _ota_error = portenta_h7_onOTARequest(_ota_url.c_str());
 #endif
 }
+
+void ArduinoIoTCloudTCP::systemReset()
+{
+#ifdef ARDUINO_ARCH_SAMD
+  samd_systemReset();
+#endif
+
+#ifdef ARDUINO_NANO_RP2040_CONNECT
+  rp2040_connect_systemReset();
+#endif
+
+#if defined(ARDUINO_PORTENTA_H7_M7) || defined(ARDUINO_PORTENTA_H7_M4)
+  portenta_h7_systemReset();
+#endif
+}
 #endif
 
 /******************************************************************************

src/ArduinoIoTCloudTCP.h

@@ -165,6 +165,7 @@ class ArduinoIoTCloudTCP: public ArduinoIoTCloudClass
 
 #if OTA_ENABLED
     void onOTARequest();
+    void systemReset();
 #endif
 
     otaConfirmationStatus _get_ota_confirmation = {nullptr};