Bluetooth: Set HCI_QUIRK_STRICT_DUPLICATE_FILTER for BTUSB_ATH3012

The Bluetooth controllers from Atheros use a strict scanning filter
policy that filters based on Bluetooth device addresses and not on
RSSI. So tell the core about this.

Signed-off-by: Jakub Pawlowski <jpawlowski@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>