Bluetooth: Add support for creating HCI UART based AMP controllers

In reality this might never be used for real hardware, but it is a nice
feature for emulating AMP controllers within a virtual machine.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h
index 54c8983..6cf6ab22 100644
--- a/drivers/bluetooth/hci_uart.h
+++ b/drivers/bluetooth/hci_uart.h
@@ -46,6 +46,7 @@
 
 #define HCI_UART_RAW_DEVICE	0
 #define HCI_UART_RESET_ON_INIT	1
+#define HCI_UART_CREATE_AMP	2
 
 struct hci_uart;