[dv/cip_base_vseq] fixed extract_common_csrs for multi-RAL
[dv/cip_base_vseq] fixed extract_common_csrs for multi-RAL

Signed-off-by: Dror Kabely <7be7579e64aea9605eaf23157e31f08ed48d51f8@opentitan.org>

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