[PATCH] USB: wacom tablet driver update

This patch adds support for Graphire4, Cintiq 710, Intuos3 6x11, etc. and
report Device IDs.

Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>