v1.2.0 to sync with AmebaD core v3.1.3

### Release v1.2.0

1. Update to sync with Ameba Arduino SDK v3.1.3 WiFi.status() bug fix. Check [Update README.md](#2)
2. Update examples
3. Update libraries' dependencies
4. Update `Packages' Patches`

examples/RTL8720_WiFi/RTL8720_WiFi.ino

@@ -28,9 +28,6 @@ void heartBeatPrint()
     if (WiFi.status() == WL_CONNECTED)
     {
       Serial.print("H");        // H means connected to WiFi
-      // Bad bug or RTL8720 => if WiFi lost, WiFi.status() still is WL_CONNECTED and WiFi.RSSI() still OK.
-      // Similar bug in Portenta_H7 without workaround as in Portenta_H7, WiFi.RSSI() => 0
-      //Serial.print(WiFi.RSSI());
     }
     else
       Serial.print("F");        // F means not connected to WiFi  

examples/RTL8720_WiFi_MQTT/Credentials.h

@@ -63,13 +63,13 @@ bool LOAD_DEFAULT_CONFIG_DATA = false;
 WM_Configuration defaultConfig =
 {
   //char header[16], dummy, not used
-  "WIFI_GENERIC",
+  "RTL8720",
   // WiFi_Credentials  WiFi_Creds  [NUM_WIFI_CREDENTIALS];
   // WiFi_Credentials.wifi_ssid and WiFi_Credentials.wifi_pw
   "SSID1",  "password1",
   "SSID2",  "password2",
   //char board_name     [24];
-  "SAMD-Control",
+  "RTL8720-Control",
   // terminate the list
   //int  checkSum, dummy, not used
   0

examples/RTL8720_WiFi_MQTT/RTL8720_WiFi_MQTT.ino

@@ -45,9 +45,6 @@ void heartBeatPrint()
     if (WiFi.status() == WL_CONNECTED)
     {
       Serial.print("H");        // H means connected to WiFi
-      // Bad bug or RTL8720 => if WiFi lost, WiFi.status() still is WL_CONNECTED and WiFi.RSSI() still OK.
-      // Similar bug in Portenta_H7 without workaround as in Portenta_H7, WiFi.RSSI() => 0
-      //Serial.print(WiFi.RSSI());
     }
     else
       Serial.print("F");        // F means not connected to WiFi  
@@ -326,7 +323,7 @@ void setup()
 
   // Set customized DHCP HostName
   WiFiManager->begin(HOST_NAME);
-  //Or use default Hostname "SAMD-WIFI-XXXXXX"
+  //Or use default Hostname "RTL8720-WIFI-XXXXXX"
   //WiFiManager->begin();
 }