Add cmakefiles to build profile_rt.so!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130191 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/runtime/CMakeLists.txt b/runtime/CMakeLists.txt
new file mode 100644
index 0000000..bcdaf84
--- /dev/null
+++ b/runtime/CMakeLists.txt
@@ -0,0 +1 @@
+add_subdirectory(libprofile)