Move CBackend and CppBackend MC initialization to TargetInfo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135982 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CBackend/TargetInfo/CBackendTargetInfo.cpp b/lib/Target/CBackend/TargetInfo/CBackendTargetInfo.cpp
index f7e8ff2..f581a6c 100644
--- a/lib/Target/CBackend/TargetInfo/CBackendTargetInfo.cpp
+++ b/lib/Target/CBackend/TargetInfo/CBackendTargetInfo.cpp
@@ -17,3 +17,5 @@
 extern "C" void LLVMInitializeCBackendTargetInfo() { 
   RegisterTarget<> X(TheCBackendTarget, "c", "C backend");
 }
+
+extern "C" void LLVMInitializeCBackendTargetMC() {}