wireless: zd1211rw: add device ID fix wifi dongle "trust nw-3100"

akpm: taken from http://bugzilla.kernel.org/show_bug.cgi?id=11587

I bought the wifi dongle trust nw-3100 wich is in fact a zd1211rw.  Its
hardware id was missing in the sources, adding it made it work flawlessly.

Cc: Daniel Drake <dsd@gentoo.org>
Cc: Ulrich Kunitz <kune@deine-taler.de>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>