Add a few minor improvements to the NEORV32 board documentation based on
community feedback.
Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>
Mention TRNG support in the NEORV32 board documentation, but leave it
disabled by default.
Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>
Add a basic board definition for the open-source NEORV32 RISC-V
compatible processor system (SoC).
Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>