PHOENIX — The Phoenix Suns move into another offseason with chatter around star guard Devin Booker. Booker and the Suns were swept out of first-round play by the Oklahoma City Thunder after a wildly successful regular season. Even after shattering expectations, Booker is still receiving some flack for the early exit. Such is life for Booker, though the latest person to do so is Suns legend Charles Barkley. “Devin Booker is the best player on the team, and he should never defer to anybody,” Barkley said on Arizona Sports . “Even when you lose, when you’re a star, you have to make sure (that you) hold up your end of the bargain, and he did not.” Barkley also added, “He’s got to be Devin Booker All-Star. Those other guys aren’t All-Stars.” Booker has been heavily criticized for his postseason performance, with many wanting him to impose more of his will on the court rather than trying to make the best basketball play.…