Mix tomatoes, broth, onion, garlic, beans, zucchini, cumin, chili powder, and soup salt in 6-quart slow cooker. Cover; cook on low 4 hours until onion and zucchini tender.
Near end, heat oven to 400°F. Toss tortilla strips with oil and 1/8 teaspoon salt on rimmed sheet; bake 10 to 14 minutes, turning once, until crisp and lightly golden.
Add refrigerated turkey; cover and cook on high 15 to 25 minutes to 165°F, stirring once to distribute.
Add lime juice; divide turkey, vegetables, beans, and broth among 6 bowls.
Top each with one-sixth tortilla strips just before eating. Keep strips separate from saved soup.