Adding support for OY-0001 Wireless Router. OY-0001 is a wireless router made by oyewifi.com. Below is the details: MT7620A, 128MB DDR2, 16MB FLASH, SD Slot, USB 2.0, 4 x LAN + 1 x WAN. Signed-off-by: Tom Deng <2579131212@qq.com> SVN-Revision: 46349
