Bluetooth: vhci: Set HCI_QUIRK_VALID_LE_STATES

This set HCI_QUIRK_VALID_LE_STATES quirk which is required for the likes
of experimental LE simultaneous roles.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>