Add BeagleV-Fire Board Documentation
This merge request adds documentation for the BeagleV-Fire board. The new content provides detailed steps for setting up and configuring the BeagleV-Fire board with RTEMS, including:
- Introduction to BeagleV-Fire Board
- Information on the existing base BSP and support for the riscv/beaglevfire BSP variant
- Explained config.ini file for building the riscv/beaglevfire BSP variant.
- Explanation of both uni-processing and multi-processing modes.
- Step-by-step commands for configuring and building RTEMS for BeagleV-Fire
- Instructions on how to convert .exe files to .elf and generate payloads using the HSS payload generator.
- Steps for setting up UART communication from the host PC.
- Instructions for transferring the payload binary to the BeagleV-Fire board via the eMMC/SD card.
- Commands and expected output to validate the successful loading and execution of the payload.