r92su: add usb-ids from rtl8712_staging

0x050D, 0x11F1 ISY IWL - Belkin clone
0x25D4, 0x4CA1 ??? 3026b0e942c65c65c8fc80d391d004228b52b916
0x25D4, 0x4CAB ??? 3026b0e942c65c65c8fc80d391d004228b52b916

Cc: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com>