Apple has added specifications for USB-C ports and a Lightning to 3.5mm output cable to its Made for iPhone/iPad/iPod licensing program, 9to5Mac reports. The update will allow third-party accessory makers to include USB-C charging receptacles in certified iOS and Mac accessories. Accessory makers can also now create a Lightning to 3.5mm connector to allow iOS devices to be plugged directly into an auxiliary port. Previously users would be forced to…