Bluetooth: btbcm: Add entry for BCM4334B0 UART Bluetooth

Add the device ID for the WiFi/BT/FM combo chip BCM4334 (rev B0).

The chip seems to use 43:34:b0:00:00:00 as default address,
so add it to the list of default addresses and leave it up
to the user to configure a valid one.

Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>