MACAO — It’s been a six-year-long wait for Yun Hui, who arrived in the Chinese gambling hub to watch the Phoenix Suns take on the Brooklyn Nets on Friday, as the NBA returned to China after a political firestorm that saw it effectively banned from one of its most lucrative markets. “Every time we turn on the TV and we don’t see NBA games, it’s kind of sad,” Beijing-based Yun told NBC News, wearing the jersey of his favorite player, Brooklyn Nets’ Zeng Fanbo. “It means a lot to me,” the 28-year-