主要涉及了三个脚本：利用copy_new_board.sh完成工作，initial_modify.sh复原代码方便多次测试，check_num.sh检查新建board情况
可以完成基于ud710 96board创建新board的工作
拉取yocto代码最新分支，将相应文件放在${PROJECT_DIR}/prebuilts/scripts目录下执行。
# -------------------------------------------------------------------
# Filename: copy_new_board.sh
# Revision: 1.0
# Date: 2021/04/22
# Author: junli.han
# Description: add new board files by copy base board
# Notes: go into ${PROJECT_DIR}/prebuilts/scripts
# ./copy_new_board.sh base_board new_board
# -------------------------------------------------------------------
# -------------------------------------------------------------------
# Filename: initial_modify.sh
# Revision: 1.0
# Date: 2021/04/22
# Author: junli.han
# Description: sync code and copy_new_board.sh exac error, initial_modify to sync code
# Notes: go into ${PROJECT_DIR}/prebuilts/scripts
# ./initial_modify.sh base_board
# -------------------------------------------------------------------
# -------------------------------------------------------------------
# Filename: check_num.sh
# Revision: 1.0
# Date: 2021/04/22
# Author: junli.han
# Description: when all modify finsih,exac the check_num.sh to check
# Notes: go into ${PROJECT_DIR}/prebuilts/scripts
# ./check.sh base_board target_board
# -------------------------------------------------------------------
