Bluetooth: btbcm: Add entry for BCM4359C0 UART bluetooth

The BCM4359C0 BT/Wi-Fi compo chip needs an entry to be discovered
by the btbcm driver.

Tested using an AP6398S module from Ampak.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>