Added alpha version of image build support for RISC-V.
So far, this is an early version and some of the functions do not work in it.
Currently, support has been added for the StarFive model.
https://rvspace.org/
Details can be seen in this topic.
https://forum.rvspace.org/t/armbian-for-starfive-build-system-ubuntu-debian/468
Added support for Nezha D1 and Lichee RV (Dock) with Allwinner D1 RISC-V chip. To start the system. Download