usb_usb: Update for new core layout
Change USB PID
Fix print init; print_set_sendchar in main
Remove submodule USB_Host_Shield_2.0
Add submodule legitimate USB_Host_Shield_2.0
Add USB Hub support
Change debug print config
Update README
Merge branch 'usb_usb_hub'
usb_usb: Add SpaceFn and hasu keymap