Add 500Kbps, 1Mbps and 2Mbps to the list of available serial speeds
Add 500Kbps, 1Mbps and 2Mbps to the list of available serial speeds

me-no-dev/Arduino-1,majenkotech/Arduino,me-no-dev/Arduino-1,stickbreaker/Arduino,me-no-dev/Arduino-1,majenkotech/Arduino,majenkotech/Arduino,stickbreaker/Arduino,stickbreaker/Arduino,majenkotech/Arduino,me-no-dev/Arduino-1,stickbreaker/Arduino,stickbreaker/Arduino,stickbreaker/Arduino,me-no-dev/Arduino-1,me-no-dev/Arduino-1,me-no-dev/Arduino-1,majenkotech/Arduino,me-no-dev/Arduino-1,majenkotech/Arduino,stickbreaker/Arduino,majenkotech/Arduino