Device classes are registered to array of config driver pool and
tried in that order until proper class is found in configuration process.
If tried driver cannot handle device, bus reset is issued to the device.
- Change keyboard_init() timing and matrix_scan() is called in USB
startup wait loop for FC660C
- FC660C startup seems to be faster and it doesn't work without this fix
when plugin the keyboard and converter at same time
- This bug occurs when sending LED out report before keyboard becomes ready
- Ckecking with isReady() before using SetReport() solves this
- Slow startup keyboard like TMK trrigers this bug and Linux shows following error just after plugin converter
usb 3-1: device descriptor read/64, error -62
