As the directory structure in the repository is different then the one
after the package gets installed we need to add those subdirectories to
the __path__ otherwise python3 is not able to load the modules using the
relative import syntax and grcc compilation and some unit tests fail.
Mofiy __path__ only when the CMAKE_BINARY_DIR environment variable is
Revert "grgsm_livemon: Set cell_allocation to "
This reverts commit 013d4c258c6ad31c2581f0caa4eee3aa609fd9de.