Kenny Atkinson’s brother opens up to The Post on Cavs coach’s rise from LI roots to brink of NBA Finals

Felix Victorino

Factuality

Ownership

It’s still New York or no place for the Cavs coach, Kenny Atkinson. He may be a temporary enemy of Empire State during the East Conference finals, but Madison Square Garden will always be a special place for Northport native Long Island. “I’m a New Yorker,” Atkinson said after the Cavaliers crushed the Pistons 125-94 in Game 7 to win the second round series. “Back to the Garden, I worked for the Knicks — I know everyone there. My whole family is…