[RTTY] Updated example pin mapping

examples/RTTY/RTTY_Transmit/RTTY_Transmit.ino

@@ -22,8 +22,9 @@
 // SX1278 has the following connections:
 // NSS pin:   10
 // DIO0 pin:  2
+// RESET pin: 9
 // DIO1 pin:  3
-SX1278 fsk = new Module(10, 2, 3);
+SX1278 fsk = new Module(10, 2, 9, 3);
 
 // or using RadioShield
 // https://github.com/jgromes/RadioShield