[lint] Increase the unroll count
[lint] Increase the unroll count

This commit increases Ascentlint max unroll count from 1024 (default) to
3200 (max Kmac state x2)

Signed-off-by: Eunchan Kim <cb7bc7ceb22698f298c67faa994fd9ddf3cab298@opentitan.org>

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