stdlib: Introduced new LupV Board

This LupV Board was created in order to connect all of the LupIO
devices, and allow us to run a full RISC-V system with them.  As
the LupIO devices continue to be added, they will be integrated
into this board, and replace the current IO components.

The LupIO devices are a collection of processor
agnostic and easily implemented virtual devices. Details about the
specifications of all eight LupIO devices can be found here:
https://gitlab.com/luplab/lupio/lupio-specs

Information about how to build a RISCV full system with the LupIO-RTC
can be found here:
https://github.com/darchr/lupio-gem5/blob/lupio/README.md

Change-Id: I7d3186d3778d40b38027f245290432dbf4279dea
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/53028
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
2 files changed