Goal: 

• During the review process of the patches for vTPM live migration support there have been requested changes to the design for the feature. We need to incorporate those change requests.

Acceptance Criteria:

Land the next patch in the series [1]:

• TPM: support instances with `deployment` secret security
  • https://review.opendev.org/c/openstack/nova/+/942021

[1] https://review.opendev.org/q/topic:%22bp/vtpm-live-migration%22+project:openstack/nova+-is:abandoned