Bluetooth: hci_uart: Use generic functionality from Broadcom module

The new Broadcom Bluetooth support module provides generic functionality
for changing and checking the Bluetooth device address. Use these new
features instead of keeping a duplicate in the driver.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index b593e5f..9f68e11 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -111,6 +111,7 @@
 config BT_HCIUART_BCM
 	bool "Broadcom protocol support"
 	depends on BT_HCIUART
+	select BT_BCM
 	help
 	  The Broadcom protocol support enables Bluetooth HCI over serial
 	  port interface for Broadcom Bluetooth controllers.