* Improvements for BSP creation
- add support for the same principle found in desktop creation. For CLI package we are copying content from "bsp-cli" folders.
- moving bsp* copy function to image-helpers
- improve readme
* Add support for desktop board support package
Extracting from https://github.com/armbian/build/pull/2776 which can be closed after.
* Desktop BSP creation is working, but need broader testing and some quick how-to
* Create empty files as examples where we can put things.
* Fixing Pinebook desktop bsp creation
* We need to have information about ARCH in the desktop bsp package. This ain't universal.
