GPLv2 notice: Unify all files to just use one space in »MA 02110-1301«

In the file `COPYING` in the coreboot repository and upstream [1]
just one space is used.

The following command was used to convert all files.

    $ git grep -l 'MA  02' | xargs sed -i 's/MA  02/MA 02/'

[1] http://www.gnu.org/licenses/gpl-2.0.txt

Change-Id: Ic956dab2820a9e2ccb7841cab66966ba168f305f
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: http://review.coreboot.org/2490
Tested-by: build bot (Jenkins)
Reviewed-by: Anton Kochkov <anton.kochkov@gmail.com>
diff --git a/src/drivers/Makefile.inc b/src/drivers/Makefile.inc
index b2aa0c8..16d6001 100644
--- a/src/drivers/Makefile.inc
+++ b/src/drivers/Makefile.inc
@@ -14,7 +14,7 @@
 ##
 ## 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 ##
 
 subdirs-y += ati