In a medium pot, heat oil on high heat. Add onions and cook for about 2 minutes, until translucent. Add the turkey and break it up while combining with onions. Cook for an additional 2-3 minutes. Add the sweet potato and toss with the onions and turkey. Stir in all the spices: salt, pepper, garlic herb seasoning, cumin, chili powder, red pepper flakes, paprika, cinnamon, onion powder, and garlic powder.