cciss: update copyright notices

This patch updates the copyright information for the cciss driver. It
includes extending the year to 2007 (how timely) and some minor corrections
deemed necessary by HP legal and the Open Source Review Board. Please
consider this patch for inclusion.

Signed-off-by: Mike Miller <mike.miller@hp.com>
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Signed-off-by: Jens Axboe <jens.axboe@oracle.com>