Staging: gs_fpgaboot: remove FSF's mailing address from io.h

This patch removes FSF's mailing address issue from io.h found by
checkpatch.pl tool.

Signed-off-by: Shubham Kumaram <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/gs_fpgaboot/io.h

···
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *
  * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
 #define GPDIR	0