add coverage module
add coverage module

The module is based on
https://github.com/bilke/cmake-modules/blob/master/CodeCoverage.cmake
Minres/SystemC-Components,Minres/SC-Snippets,Minres/SystemC-Components,Minres/SystemC-Components,Minres/SystemC-Components,Minres/SystemC-Components,Minres/SC-Snippets,Minres/SystemC-Components