staging: rt2870sta: Add ID for Linksys WUSB100v2

This device was tested with rt2870sta by setting new_id.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Tested-by: Brian Ormond <brian.ormond@oit.edu>
Cc: Stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>