[i2c, rtl] Checklist Update for D1 Signoff
[i2c, rtl] Checklist Update for D1 Signoff

This PR updates the checklist for D1 signoff.

Signed-off-by: Igor Kouznetsov <ac614b085ee25b4d42518d54859edc90c8f13c26@wdc.com>

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