Rename clang-driver to clang.

Again, I tried to update cmake but it is untested.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67606 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/driver/Makefile b/tools/driver/Makefile
index 8910001..8e9c291 100644
--- a/tools/driver/Makefile
+++ b/tools/driver/Makefile
@@ -8,7 +8,7 @@
 ##===----------------------------------------------------------------------===##
 LEVEL = ../../../..
 
-TOOLNAME = clang-driver
+TOOLNAME = clang
 CPPFLAGS += -I$(PROJ_SRC_DIR)/../../include -I$(PROJ_OBJ_DIR)/../../include
 CXXFLAGS = -fno-rtti