mkvendor.sh: Initial commit of lt02wifi

Change-Id: I6800c63a3b05f88d04e8210eb07305fdeccd980b
Flashing the recoveryimage no longer creates a bootloop.

It does, unfortunately, cause a bootloop  when we try to boot into
it with adb reboot recovery. I have some difficulty booting into
recovery without adb, as I have messed up the volume up button.

Change-Id: Ica2b40edce542a93a31bd0a6e25041902ba1e0bd