Bluetooth: btsdio: Do not bind to non-removable BCM43430

BCM43430 devices soldered onto the PCB (non-removable)
use an UART connection for bluetooth.
But also advertise btsdio support on their 3th sdio function.

Signed-off-by: Cho, Yu-Chen <acho@suse.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>