Adding Support for Dlink 123 11n Adapter

2. Checked that this driver works with the given version on kernel 3.11.10-7-desktop on my computer
3. Also, hwinfo --usb shows the following output for this driver. Please
find the output :

10: USB 00.0: 0200 Ethernet controller
  [Created at usb.122]
  Unique ID: R_O4.dPfoed7O7sA
  Parent ID: pBe4.2DFUsyrieMD
  SysFS ID: /devices/pci0000:00/0000:00:14.0/usb2/2-6/2-6:1.0
  SysFS BusID: 2-6:1.0
  Hardware Class: network
  Model: "D-Link DWA-123 11n Adapter"
  Hotplug: USB
  Vendor: usb 0x2001 "D-Link"
  Device: usb 0x3310 "DWA-123 11n Adapter"
  Serial ID: "D8FEE3575902"
  Driver: "r8188eu"
  Driver Modules: "8188eu"
  Device File: wlp0s20u6
  Speed: 480 Mbps
  HW Address: d8:fe:e3:57:59:02
  Link detected: yes
  Module Alias: "usb:v2001p3310d0000dc00dsc00dp00icFFiscFFipFFin00"
  Driver Info #0:
    Driver Status: 8188eu is active
    Driver Activation Cmd: "modprobe 8188eu"
  Config Status: cfg=new, avail=yes, need=no, active=unknown
  Attached to: #6 (Hub)