nvdla vp failed to fetch all submodule of the qbox

git config --global url.https://anongit.freedesktop.org/git.insteadOf git://anongit.freedesktop.org

git config --global url.https://github.com/qemu.insteadOf git://git.qemu.org

git config --global url.https://github.com/qemu.insteadOf git://git.qemu-project.org

git config --global url.https://github.com.insteadOf git://github.com

参考地址：
https://github.com/nvdla/vp/issues/3