Merge pull request #2083 from Pinata-Consulting/makefile-memory-tweak…

…-list-files

makefile: improve memory report of used source files

flow/scripts/mem_dump.py

@@ -35,7 +35,7 @@ def format_ram_table_from_json(data, max_bits=None):
 
     src_files = set()
     for module_name, module_info in json_data["modules"].items():
-        for cell in module_info["cells"].values():
+        for cell in list(module_info["cells"].values()) + [module_info]:
             if "src" not in cell["attributes"]:
                 continue
             src_file = cell["attributes"]["src"].split(":")[0]