asix: add USB ID for Logitec LAN-GTJ U2A

Logitec LAN-GTJ U2A (http://www.pro.logitec.co.jp/pro/g/gLAN-GTJU2A/)
USB 2.0 10/10/1000 Ethernet adapter is based on ASIX AX88178 chipset.

This patch adds missing USB ID for the device.

Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
Signed-off-by: David S. Miller <davem@davemloft.net>