fix(bt/controller): Fixed hci uart example compile error on ESP32C3

components/bt/controller/esp32c3/bt.c

@@ -1871,6 +1871,11 @@ void esp_bt_controller_wakeup_request(void)
 
 }
 
+int IRAM_ATTR esp_bt_h4tl_eif_io_event_notify(int event)
+{
+    return btdm_hci_tl_io_event_post(event);
+}
+
 static void coex_wifi_sleep_set_hook(bool sleep)
 {
 

components/bt/include/esp32c3/include/esp_bt.h

@@ -715,6 +715,15 @@ bool esp_bt_controller_is_sleeping(void);
  */
 void esp_bt_controller_wakeup_request(void);
 
+/**
+ * @brief notify bluetooth controller task to process the event upon Tx or Rx done
+ *
+ * Note that this function shall not be invoked before esp_bt_controller_enable()
+ * This function can be called in both ISR and non-ISR context
+ *
+ */
+int esp_bt_h4tl_eif_io_event_notify(int event);
+
 /**
  * @brief Get the Bluetooth module sleep clock source.
  *