board: Fix complile error caused by b9a2449.
board: Fix complile error caused by b9a2449.

yona-projects/yona,violetag/demo,naver/yobi,oolso/yobi,ahb0327/yobi,brainagenet/yobi,ahb0327/yobi,bloodybear/yona,doortts/fork-yobi,ihoneymon/yobi,ChangsungKim/TestRepository01,violetag/demo,brainagenet/yobi,naver/yobi,oolso/yobi,bloodybear/yona,Limseunghwan/oss,doortts/fork-yobi,naver/yobi,doortts/fork-yobi,ihoneymon/yobi,yona-projects/yona,ChangsungKim/TestRepository01,doortts/forked-for-history,ihoneymon/yobi,doortts/forked-for-history,oolso/yobi,Limseunghwan/oss,doortts/fork-yobi,Limseunghwan/oss,ahb0327/yobi,doortts/forked-for-history,yona-projects/yona,bloodybear/yona,brainagenet/yobi,bloodybear/yona,yona-projects/yona