Adding Apple USB->Ethernet adapter.

The Apple USB->Ethernet adapter appears with the following details according to linux:
```
[87658.231359] usb 3-2.4: new high-speed USB device number 30 using xhci_hcd
[87658.272752] usb 3-2.4: New USB device found, idVendor=05ac, idProduct=1402
[87658.272758] usb 3-2.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[87658.272763] usb 3-2.4: Product: Apple USB Ethernet Adapter
[87658.272766] usb 3-2.4: Manufacturer: Apple Inc.      
[87658.272769] usb 3-2.4: SerialNumber: 2D8CB1
[87658.633762] asix 3-2.4:1.0 eth1: register 'asix' at usb-0000:08:00.0-2.4, ASIX AX88772 USB 2.0 Ethernet, 48:d7:05:e9:40:52
[87663.795160] asix 3-2.4:1.0 eth1: link up, 100Mbps, full-duplex, lpa 0xCDE1
```
Merge pull request #1 from mithro/patch-1

Adding Apple USB->Ethernet adapter.