staging/mei: update copyright year to 2012

1. Update Copyright to 2012
2. Also fix mei.h copyright format
   checkpaatch complained:
   WARNING: please, no spaces at the start of a line

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>