CV32E40Pv2 verification: refresh the coverage reports and documentation.

[dd-BeeNee]

this minor refresh of coverage report for RTL v1.8.0 regarding config FPU is due to the addition of these specific waivers mentioned in

• https://github.com/openhwgroup/core-v-verif/pull/2457

Decided to patch the reports in order to reflect the actual percentage. Kindly approve.