Heat oil in a Dutch oven over medium-high heat. Add onion and garlic; sauté for 5 minutes or until onion is tender. Add wine, pepper, and salt. Reduce heat; simmer 5 minutes or until liquid almost evaporates. Add greens, thyme, and broth. Cover, reduce heat, and simmer 8 minutes or until greens are tender. Add beans; simmer 5 minutes or until thoroughly heated.