[keymgr/dv] Update common vseq
[keymgr/dv] Update common vseq

1. Excluded checking working_state in the csr_rw thread in tl_err or shadow_reg tests,
because it's hard to update predicted value due to a timing issue.
2. Disabled some SVAs for sec_cm test
3. small consolidation to remove some duplicated code

Signed-off-by: Weicai Yang <4fa8c7762ee4da95e3dee7dae2c3263ea16637f9@google.com>

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