fix typo in docker path

0.docker-build.sh

 #!/bin/bash
 
-WORKDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+WORKDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"/Docker
 docker build -t yrzr/hikey970_tools:img ${WORKDIR}