OpenOCD Error: failed to reset FTDI device: LIBUSB_ERROR_IO

This error is typically caused because you have the wrong Windows USB driver for the development board. If you have the wrong driver, you get an error similar to:

Error: failed to reset FTDI device: LIBUSB_ERROR_IO
Error: unable to open ftdi device with vid 0403, pid 6010, description 
'Trion T20 Development Board', serial '*' at bus location '*'