[TMVA] Update CMakeLists.txt for RMVA
[TMVA] Update CMakeLists.txt for RMVA

- Remove file globbing
- Inherit options from RInterface

olifre/root,karies/root,olifre/root,root-mirror/root,olifre/root,root-mirror/root,root-mirror/root,karies/root,root-mirror/root,root-mirror/root,root-mirror/root,olifre/root,olifre/root,root-mirror/root,olifre/root,karies/root,root-mirror/root,karies/root,karies/root,root-mirror/root,karies/root,karies/root,root-mirror/root,karies/root,olifre/root,olifre/root,karies/root,olifre/root,karies/root,olifre/root,root-mirror/root,karies/root,olifre/root