Updating license headers according to updated guidelines

Bug: 121845387
Change-Id: I48877b9966d4b0e9a4c265efdb5eb7edbf189b3e
diff --git a/Makefile b/Makefile
index 993b3fb..c82355f 100644
--- a/Makefile
+++ b/Makefile
@@ -8,10 +8,6 @@
 # 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
 # By default, assume this was checked out as a submodule of the Hafnium repo
 # and that Linux was checked out along side that checkout. These paths can be
diff --git a/hf_call.S b/hf_call.S
index bf81fc4..0bab221 100644
--- a/hf_call.S
+++ b/hf_call.S
@@ -10,11 +10,6 @@
  * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
  */
 
 .text
diff --git a/main.c b/main.c
index c076fd4..e514127 100644
--- a/main.c
+++ b/main.c
@@ -10,11 +10,6 @@
  * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
  */
 
 #include <linux/hrtimer.h>