Set correct speed of Arduino ISP programmer

Author: Lauszus

hardware/arduino/avr/programmers.txt

@@ -34,8 +34,8 @@ parallel.program.extra_params=-F
 arduinoisp.name=Arduino as ISP
 arduinoisp.communication=serial
 arduinoisp.protocol=stk500v1
-arduinoisp.speed=9600
+arduinoisp.speed=19200
 arduinoisp.program.protocol=stk500v1
-arduinoisp.program.speed=9600
+arduinoisp.program.speed=19200
 arduinoisp.program.tool=avrdude
 arduinoisp.program.extra_params=-P{serial.port} -b{program.speed}