Update `csr_access_test`

This PR regenerates the CSR access test.

Relates to https://github.com/openhwgroup/cv32e40x/pull/940 and https://github.com/openhwgroup/core-v-verif/pull/2186. And https://github.com/openhwgroup/core-v-verif/pull/2218 and https://github.com/openhwgroup/cv32e40x/pull/957.

(The generated test of course passes.)