Over the past two decades, Mark Wahlberg has worked his way onto Hollywood’s A-list with memorable performances in movies like “The Departed,” “The Fighter,” and a string of hit comedies, often with his friend Will Ferrell. In this week’s “Sunday Sitdown,” Willie Geist meets up with the actor in Boston to talk about his childhood there and the overnight hip-hop career that made him a star, as well as his latest film “Instant Family.”