Vagrantfile for a Linux system ready to bitbake

[sirnewton01]

Since I work on a Mac and it doesn't seem to work well trying to assemble poky or riscv-tools it would be great to have a vagrant file to automatically assemble a minimal VM with the necessary packages. Here's what is working for me:

https://gist.github.com/sirnewton01/d1955fd6a4cc1a01c787