TDX: Enable CONFIG_INTEL_TDX_GUEST, CONFIG_TDX_GUEST_DRIVER

[Ankita13-code]

Merge Checklist

All boxes should be checked before merging the PR (just tick any boxes which don't apply to this PR)

• The toolchain has been rebuilt successfully (or no changes were made to it)
• The toolchain/worker package manifests are up-to-date
• Any updated packages successfully build (or no packages were changed)
• Packages depending on static components modified in this PR (Golang, *-static subpackages, etc.) have had their Release tag incremented.
• Package tests (%check section) have been verified with RUN_CHECK=y for existing SPEC files, or added to new SPEC files
• All package sources are available
• cgmanifest files are up-to-date and sorted (./cgmanifest.json, ./toolkit/scripts/toolchain/cgmanifest.json, .github/workflows/cgmanifest.json)
• LICENSE-MAP files are up-to-date (./LICENSES-AND-NOTICES/SPECS/data/licenses.json, ./LICENSES-AND-NOTICES/SPECS/LICENSES-MAP.md, ./LICENSES-AND-NOTICES/SPECS/LICENSE-EXCEPTIONS.PHOTON)
• All source files have up-to-date hashes in the *.signatures.json files
• sudo make go-tidy-all and sudo make go-test-coverage pass
• Documentation has been updated to match any changes to the build system
• Ready to merge

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Summary

What does the PR accomplish, why was it needed?
Enable CONFIG_INTEL_TDX_GUEST, CONFIG_TDX_GUEST_DRIVER for CVM images. These configs bring in support for Intel TDX machines.

Change Log

• Set CONFIG_INTEL_TDX_GUEST=y for Supporting running as a guest under Intel TDX
• Set CONFIG_TDX_GUEST_DRIVER=y for enabling the driver which provides userspace interface to communicate with the TDX module to request the TDX guest details like attestation report.

Does this affect the toolchain?

YES

Associated issues

• #xxxx

Links to CVEs

• https://nvd.nist.gov/vuln/detail/CVE-YYYY-XXXX

Test Methodology

• Local build passes
• Buddy build: https://dev.azure.com/mariner-org/mariner/_build/results?buildId=670298&view=results
  Tested on Azure VM -
  

[trungams]

any mention of TDX in dmesg output?

[Ankita13-code]

any mention of TDX in dmesg output?

Here is the dmesg output