interface/ftdi/xds100v2.cfg: Add another VID/PID, drop desc

interface/ftdi/xds100v2.cfg: Add another VID/PID, drop desc

The XDS100v2 is often embedded in a number of platforms using the
VID/PID of 0x0403/0x6010 and a generic FTDI device description.  Add
this VID/PID combination and remove the description line.

Change-Id: I370e6199ac24f802426e9541e19ee38f18f1209a
Signed-off-by: Tom Rini <trini@ti.com>
Reviewed-on: http://openocd.zylin.com/2016
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>