[CDC] Updated cdc_waivers.misc.tcl
[CDC] Updated cdc_waivers.misc.tcl

- Added new paths
- Cleaned up unnecessary items and added comments

Signed-off-by: Joshua Park <df42862f34d3e72c8680ad6848ac1dfc28d3f0ab@google.com>

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