update setup_tools.sh to add install kpartx

guowenxue

2021-11-16 587be67fbad8a09c2ba82ae6ee0a252e18b1c1f8

 tools/lintools/buildroot/buildroot.sh

@@ -112,7 +112,10 @@
        exit ;
    fi

    echo ""
    echo ""
    echo " Switch work space to \"$WORK_SPACE\" " 
    echo ""
    mkdir -p $WORK_SPACE 
    cd $WORK_SPACE
}