LICENSES: Replace the obsolete address of the FSF in the GFDL-1.1

The FSF does not reside in the Franklin street anymore. Let's update
the address with the link to their website, as suggested in the latest
revisions of their GFDL-1.1 license:
https://www.gnu.org/licenses/old-licenses/fdl-1.1.txt

Signed-off-by: Thomas Huth <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: huth

LICENSES/deprecated/GFDL-1.1

@@ -24,7 +24,7 @@ License-Text:
                    Version 1.1, March 2000
 
  Copyright (C) 2000  Free Software Foundation, Inc.
-     51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+     <https://fsf.org/>
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.