Created by: semihalf-kardach-stanislaw
Add definitions required for drcachesim to compile for RISC-V.
NOTE: This code is not validated and mostly contains stubs as the main point was to achieve compilation and estimate the effort required for the port. Some of the trivial logic has been implemented though.
Issue: #3544
Signed-off-by: Stanislaw Kardach kda@semihalf.com