Added LLVM copyright to Makefiles.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9314 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/Makefile b/tools/Makefile
index 59d976d..a8f9a7a 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -1,3 +1,11 @@
+##===- tools/Makefile ------------------------------*- Makefile -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file was developed by the LLVM research group and is distributed under
+# the University of Illinois Open Source License. See LICENSE.TXT for details.
+# 
+##===----------------------------------------------------------------------===##
 LEVEL := ..
 PARALLEL_DIRS := llvm-as llvm-dis opt gccas llc llvm-link lli gccld \
                  analyze extract bugpoint llvm-nm llvm-ar