Saute onion in oil for 5 minutes. Add salt, cumin and cinnamon. Saute for 5 minutes. Stir in garlic, chiles and chile powder. Cover and cook for 5 minutes. Add broth and simmer fo 15 minutes. Add squash and lime juice. Simmer for 15 minutes. Add beans and simmer for 5 minutes. Serve sprinkled with cilantro.