NEW YORK — Knicks head coach Tom Thibodeau says there is no concrete timeline for All-Star hopeful Julius Randle’s return from a dislocated right shoulder — yet. Ahead of tipoff against the Utah Jazz on Tuesday, Thibodeau said the Knicks are “gathering information” on Randle, who sustained the injury in Saturday’s 125-109 victory over the Miami Heat. The Knicks’ coach said a timeline could be in stone “probably in a day or two.” “So just let ’em gather all the information, and then he’s gonna get together with our medical people, as well,” Thibodeau said. “And they’ll come up with a good plan …