Add analogReadResolution to main h file

Author: mlainez

src/arduino/Arduino.h

@@ -139,6 +139,7 @@ void digitalWrite(uint8_t, uint8_t);
 int digitalRead(uint8_t);
 int analogRead(uint8_t);
 void analogReference(uint8_t mode);
+void analogReadResolution(uint8_t mode);
 void analogWrite(uint8_t, int);
 
 unsigned long millis(void);