remove CPU restrict in While_op
remove CPU restrict in While_op

Canpio/Paddle,jacquesqiao/Paddle,QiJune/Paddle,Canpio/Paddle,chengduoZH/Paddle,lcy-seso/Paddle,chengduoZH/Paddle,lcy-seso/Paddle,luotao1/Paddle,putcn/Paddle,putcn/Paddle,PaddlePaddle/Paddle,PaddlePaddle/Paddle,tensor-tang/Paddle,reyoung/Paddle,jacquesqiao/Paddle,PaddlePaddle/Paddle,luotao1/Paddle,QiJune/Paddle,reyoung/Paddle,lcy-seso/Paddle,luotao1/Paddle,luotao1/Paddle,QiJune/Paddle,baidu/Paddle,PaddlePaddle/Paddle,Canpio/Paddle,pkuyym/Paddle,Canpio/Paddle,luotao1/Paddle,baidu/Paddle,tensor-tang/Paddle,reyoung/Paddle,pkuyym/Paddle,tensor-tang/Paddle,Canpio/Paddle,jacquesqiao/Paddle,baidu/Paddle,baidu/Paddle,putcn/Paddle,PaddlePaddle/Paddle,QiJune/Paddle,PaddlePaddle/Paddle,Canpio/Paddle,chengduoZH/Paddle,jacquesqiao/Paddle,lcy-seso/Paddle,pkuyym/Paddle,putcn/Paddle,putcn/Paddle,tensor-tang/Paddle,chengduoZH/Paddle,chengduoZH/Paddle,lcy-seso/Paddle,reyoung/Paddle,pkuyym/Paddle,jacquesqiao/Paddle,reyoung/Paddle,QiJune/Paddle,Canpio/Paddle,pkuyym/Paddle,jacquesqiao/Paddle,pkuyym/Paddle,luotao1/Paddle,reyoung/Paddle,QiJune/Paddle,putcn/Paddle,luotao1/Paddle,baidu/Paddle,Canpio/Paddle,lcy-seso/Paddle,tensor-tang/Paddle,PaddlePaddle/Paddle