HID: multitouch: Add support for Google Whiskers Touchpad

commit 1d07cef7 upstream.

The Google Whiskers touchpad does not work properly with the default
multitouch configuration. Instead, use the same configuration as Google
Rose.

Signed-off-by: Marek Maslanka <mm@semihalf.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>