Update CMake

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80195 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/CMakeLists.txt b/lib/MC/CMakeLists.txt
index 8075392..ecb8440 100644
--- a/lib/MC/CMakeLists.txt
+++ b/lib/MC/CMakeLists.txt
@@ -6,6 +6,7 @@
   MCAsmParser.cpp
   MCAsmStreamer.cpp
   MCAssembler.cpp
+  MCCodeEmitter.cpp
   MCContext.cpp
   MCMachOStreamer.cpp
   MCNullStreamer.cpp