[dv] Fix Xcelium toggle collection
[dv] Fix Xcelium toggle collection

We only need toggle coverage at port level, add back 2 lines removed at #12400
Signed-off-by: Weicai Yang <4fa8c7762ee4da95e3dee7dae2c3263ea16637f9@google.com>

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