调整docker脚本

tools/build_in_docker.sh

@@ -1,7 +1,7 @@
 docker rm -f dragonos-build
 p=`pwd`
 cpu_count=$(cat /proc/cpuinfo |grep "processor"|wc -l)
-docker run -v $p:/data --name dragonos-build -i dragonos-dev:v1.0 bash << EOF
+docker run -v $p:/data --name dragonos-build -i dragonos/dragonos-dev:v1.0 bash << EOF
 cd /data
 bash run.sh --current_in_docker
 EOF