tree 5b62aac74ea818eb077645ef3aab330af73e4523
parent c70cf753c543a1c409c3c299d27558f7525f0037
author Weicai Yang <weicai@google.com> 1644450991 -0800
committer weicaiyang <49293026+weicaiyang@users.noreply.github.com> 1644859021 -0800

[dv] add mubi coverage for CSR and update reggen

1. reggen is udpated to know if this reg field is mubi or not
2. add functional coverage for mubi type CSRs
3. disable sampling mubi covergroup in CSR tests as CSR tests won't
   really take the effect of CSRs
Signed-off-by: Weicai Yang <weicai@google.com>