or1k: remove address of the Free Software Foundation

or1k: remove address of the Free Software Foundation

The FSF address has changed; The FSF site says that
address is

  Free Software Foundation
  51 Franklin Street, Fifth Floor
  Boston, MA 02110-1301
  USA

(see http://www.fsf.org/about/contact/)

Instead of updating it each time the address changes,
just drop it completely treewide.

Change-Id: I27199f7625901f677d8105d1e8876cff00147b71
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Reviewed-on: http://openocd.zylin.com/2340
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>