Update linkers

Architecture/amd64/linker.ld

@@ -1,3 +1,20 @@
+/*
+   This file is part of Fennix Kernel.
+
+   Fennix Kernel is free software: you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of
+   the License, or (at your option) any later version.
+
+   Fennix Kernel 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 Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
+*/
+
 OUTPUT_FORMAT(elf64-x86-64)
 OUTPUT_ARCH(i386:x86-64)
 
@@ -72,4 +89,4 @@ SECTIONS
         *(.comment*)
         *(.note*)
     }
-}
+}