[AE/osxsink] - there are usb devices which are basically optical devices
but they have also formats with > 2 channels - mark any passthrough
devices which are not DisplayPort and not HDMI as optical (not only the
ones with 2 channels max) - fixes missing passthrough options for those
devices
Merge pull request #4955 from Memphiz/osxfixoptical2

[AE/osxsink] - fix optical usb devices with > 2 channels