Move <root>/Driver into <root>/tools/clang-cc.

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


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67605 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile b/Makefile
index b4f60a8..00e38d2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 LEVEL = ../..
-DIRS := include lib Driver docs tools
+DIRS := include lib tools docs
 
 include $(LEVEL)/Makefile.common
 
@@ -24,7 +24,7 @@
 	$(Verb) etags `find . -type f -name \*.h | grep -v /lib/Headers | grep -v /test/` `find . -type f -name \*.cpp | grep -v /lib/Headers | grep -v /test/`
 
 cscope.files:
-	find Driver lib include -name '*.cpp' \
+	find tools lib include -name '*.cpp' \
 	                    -or -name '*.def' \
 	                    -or -name '*.td' \
 	                    -or -name '*.h' > cscope.files