White Sox slugger Munetaka Murakami went 1-for-3 with a single and two strikeouts while playing five innings at first base Tuesday in his first rehab game at Triple-A Charlotte. There’s no set timeline for his return, but it’s plausible that he’s in the Sox’ lineup Friday for the opener of a series against the Athletics. “There’s a game plan to build him up throughout the week,” Sox manager Will Venable said. “Take it day by day to see how he’s …