1. Warm oil in a skillet over medium-high heat. Season pork with salt. Working in batches, brown pork on all sides, 6 to 8 minutes. Transfer to slow cooker.
2. Stir hominy, salsa, broth, chiles, onion, garlic, cumin, oregano and 1/2 tsp. salt into slow cooker. Cover; cook on low until pork is tender, 4 1/2 to 5 hours. Serve hot, with avocado, radishes, cilantro, lime wedges and sour cream on the side, if desired.