refractor

- rename usbh_device_info_t.status to state
- rename enum TUSB_DEVICE_STATUS_* to TUSB_DEVICE_STATE_*

tinyusb/host/hcd.h

@@ -66,6 +66,11 @@ typedef struct {
   uint8_t index;
 } pipe_handle_t;
 
+typedef enum {
+  BUS_XFER_COMPLETE,
+  BUS_XFER_ERROR
+}usb_bus_event_t;
+
 //--------------------------------------------------------------------+
 // USBH-HCD API
 //--------------------------------------------------------------------+