update ds18b20.c, add pin connected way

guowenxue

2021-11-03 fcfb88f7bb207b825c3f59a8a0859f1e9146420c

 3rdparty/local/build.sh

@@ -31,6 +31,8 @@
            rm -rf ${dir}/${dir}*
        fi
    done

    rm -rf install
}

if [[ $# == 1 ]] && [[ $1 == "clean" ]] ; then