Heat oven to 325°F. In Dutch oven, heat oil over medium-high heat. Brown pork cubes in oil on all sides, working in batches if necessary. With slotted spoon, remove pork from Dutch oven; set aside. Add onion to Dutch oven; cook 5 minutes, stirring occasionally, until tender. Add garlic; cook 1 minute. Stir in broth, green chiles and pork. Heat to boiling; remove from heat.