add class driver deinit

src/class/bth/bth_device.c

@@ -91,11 +91,14 @@ bool tud_bt_acl_data_send(void *event, uint16_t event_len)
 //--------------------------------------------------------------------+
 // USBD Driver API
 //--------------------------------------------------------------------+
-void btd_init(void)
-{
+void btd_init(void) {
   tu_memclr(&_btd_itf, sizeof(_btd_itf));
 }
 
+bool btd_deinit(void) {
+  return true;
+}
+
 void btd_reset(uint8_t rhport)
 {
   (void)rhport;

src/class/bth/bth_device.h

@@ -104,6 +104,7 @@ bool tud_bt_acl_data_send(void *acl_data, uint16_t data_len);
 // Internal Class Driver API
 //--------------------------------------------------------------------+
 void     btd_init            (void);
+bool     btd_deinit          (void);
 void     btd_reset           (uint8_t rhport);
 uint16_t btd_open            (uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t max_len);
 bool     btd_control_xfer_cb (uint8_t rhport, uint8_t stage, tusb_control_request_t const *request);