[dv/otp] scb checking for lc_token
[dv/otp] scb checking for lc_token

This PR add a function to check if otp output the correct lc_unlock
token value.

Signed-off-by: Cindy Chen <399ad771a111eac8923348b1e2af093034e5d4f1@google.com>

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