examples: grid, add pthread to compile option
examples: grid, add pthread to compile option

yizhouwei/libyami,andyLiuChina/libyami,seanvk/libyami,andyLiuChina/libyami,zhaobob/libyami,chivakker/libyami,halleyzhao/libyami,chivakker/libyami,lizhong1008/libyami,BtbN/libyami,BtbN/libyami,clearlylin/libyami,halleyzhao/libyami,stripes416/libyami,BtbN/libyami,yizhouwei/libyami,dspmeng/libyami,lizhong1008/libyami,01org/libyami,YuJiankang/libyami,seanvk/libyami,uartie/libyami,stripes416/libyami,dspmeng/libyami,YuJiankang/libyami,chivakker/libyami,01org/libyami,BtbN/libyami,01org/libyami,halleyzhao/libyami,seanvk/libyami,stripes416/libyami,zhaobob/libyami,clearlylin/libyami,dspmeng/libyami,andyLiuChina/libyami,halleyzhao/libyami,zhaobob/libyami,andyLiuChina/libyami,lizhong1008/libyami,uartie/libyami,YuJiankang/libyami,uartie/libyami,clearlylin/libyami,yizhouwei/libyami