Standalone mm infra support

[jiaxinwu]

Description

<Include a description of the change and why this change was made.>

<For each item, place an "x" in between [ and ] if true. Example: [x] (you can also check items in GitHub UI)>

<Create the PR as a Draft PR if it is only created to run CI checks.>

<Delete lines in <> tags before creating the PR.>

• [ ] Breaking change?
  • Breaking change - Will this cause a break in build or boot behavior?
  • Examples: Add a new library class or move a module to a different repo.
• [ ] Impacts security?
  • Security - Does the change have a direct security impact?
  • Examples: Crypto algorithm change or buffer overflow fix.
• [ ] Includes tests?
  • Tests - Does the change include any explicit test code?
  • Examples: Unit tests or integration tests.

How This Was Tested

<Describe the test(s) that were run to verify the changes.>

Integration Instructions

<Describe how these changes should be integrated. Use N/A if nothing is required.>