fixed typo in board_controller.js
fixed typo in board_controller.js

JulianVolodia/MakerNode,IntelOpenDesign/MakerNode,JulianVolodia/MakerNode,IntelOpenDesign/MakerNode,saikiran7949/MakerNode,JulianVolodia/MakerNode,saikiran7949/MakerNode,saikiran7949/MakerNode