Update a couple of dragoneg-compilator tests corresponding to r201333.

Fake mnemonics are unavailable any more.

git-svn-id: https://llvm.org/svn/llvm-project/dragonegg/trunk@201341 91177308-0d34-0410-b5e6-96231b3b80d8
[CMake] Prune add_dependencies, for now.

git-svn-id: https://llvm.org/svn/llvm-project/dragonegg/trunk@201342 91177308-0d34-0410-b5e6-96231b3b80d8