Function __usb_tx_flush

src/include/console/usb.h:32–32

	usb_tx_byte(USB_PIPE_FOR_CONSOLE, data);
}
static inline void __usb_tx_flush(void)	{ usb_tx_flush(USB_PIPE_FOR_CONSOLE); }
#else
static inline void __usbdebug_init(void)	{}
static inline void __usb_tx_byte(u8 data)	{}