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 --cc drivers/bluetooth/Kconfig
Simple merge

diff --cc drivers/bluetooth/hci_bcm.c
Simple merge

diff --cc drivers/bluetooth/hci_ldisc.c
Simple merge

diff --cc drivers/bluetooth/hci_uart.h
Simple merge