Bluetooth: btusb: Invert LE State flag to set invalid rather then valid

This inverts the LE State flag so by default we assume the controllers
would report valid states rather than invalid so it is inline with the
respective quirk (HCI_QUIRK_BROKEN_LE_STATES).
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>