[Feature]: [TRACKING] Stabilize PCR[4] Measurements

[Flickdm]

Feature Overview

PCR[4] currently unstable due to FV applications and action statements. These PRs are an early prototype before spec changes. This issue is purely for tracking

Solution Overview

• [DO NOT MERGE] [PROTOTYPE] Stabilizing PCR4 Measurements mu_plus#637
• [DO NOT MERGE] [PROTOTYPE] Stabilizing PCR4 Measurements #1271
• [DO NOT MERGE] [PROTOTYPE] Stabilizing PCR4 Measurements  mu_tiano_plus#330

Alternatives Considered

No response

Urgency

Low

Are you going to implement the feature request?

I will implement the feature

Do you need maintainer feedback?

No maintainer feedback needed

Anything else?

No response