Add YAML parser to Support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153977 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 33dd123..8336bc9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -397,6 +397,7 @@
 add_subdirectory(utils/not)
 add_subdirectory(utils/llvm-lit)
 add_subdirectory(utils/json-bench)
+add_subdirectory(utils/yaml-bench)
 
 add_subdirectory(projects)