USB: MAINTAINERS: cxacru

I've acquired a second device for testing and plan to make some changes in
the near future to export all the device stats to sysfs (based on my
proposed patch to add them to the proc file ~2007-01-30).

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Acked-by: Duncan Sands <baldrick@free.fr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>