Bluetooth: Host: Add log to identify HCI driver

This is generally useful information, but in particular convenient when
debugging e.g. bsim test failures.

Signed-off-by: Johan Hedberg <[email protected]>

Author: jhedberg

subsys/bluetooth/host/hci_core.c

@@ -3800,6 +3800,7 @@ static void bt_dev_show_info(void)
 {
 	int i;
 
+	LOG_INF("HCI transport: %s", BT_HCI_NAME);
 	LOG_INF("Identity%s: %s", bt_dev.id_count > 1 ? "[0]" : "",
 		bt_addr_le_str(&bt_dev.id_addr[0]));
 

subsys/bluetooth/host/hci_raw.c

@@ -308,6 +308,7 @@ int bt_enable_raw(struct k_fifo *rx_queue)
 		return err;
 	}
 
+	LOG_INF("Lower HCI transport: %s", BT_HCI_NAME);
 	LOG_INF("Bluetooth enabled in RAW mode");
 
 	return 0;