[dvsim] Better in-progress print messages
[dvsim] Better in-progress print messages

- This PR updates the dvsim on-going progress to print valuable
information in terms of how many queued, dispatched, passed, failed, killed and
total. This helps keep things clear.

Signed-off-by: Srikrishna Iyer <2803d640feace36379942447842f26c7747b4dc3@google.com>

lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan