add more output so the user knows what is going on.

mpsd-software-environment.py

@@ -651,6 +651,10 @@ def prepare_environment(mpsd_release: str, root_dir: Path) -> List[str]:
         logging.info(f"cloning repository {repo_path} from {repo_url}")
         clone_repo(repo_path, repo_url, branch=mpsd_release)
 
+    logging.getLogger("print").info(
+        f"Release {mpsd_release} is prepared in {release_base_dir}"
+    )
+
     spe_branch, spe_commit_hash, available_toolchains = get_release_info(
         mpsd_release, root_dir
     )