rename gpio.c to gpiod.c for it will conflict with rpi gpio command

guowenxue

2021-11-03 f696e95a01ee103605a9ed5fd23de58847ab9abc

 3rdparty/cross/build.sh

@@ -17,7 +17,7 @@
    do
        if [ -f $dir/build*.sh ] ; then
            cd $dir
               ./build*.sh
               bash ./build*.sh
            cd -
        fi
    done
@@ -28,7 +28,9 @@
    for dir in `ls`
    do
        if [ -f $dir/build*.sh ] ; then
            rm -rf ${dir}/${dir}*
            cd $dir
            bash ./build*.sh clean
            cd -
        fi
    done