cloud-hypervisor-cvm: add upstream patch to work around lack of support for extended guest requests

[sprt]

Merge Checklist

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

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

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Summary

Follow-up to #10247: add patches from cloud-hypervisor/cloud-hypervisor#6695 to work around the lack of support for extended guest requests by writing zeros to the extended area.

Bug: https://microsoft.visualstudio.com/OS/_queries/edit/53409400/

Does this affect the toolchain?

NO

Test Methodology

• Buddy build: https://dev.azure.com/mariner-org/mariner/_build/results?buildId=633500&view=results
• Image build: https://dev.azure.com/mariner-org/mariner/_build/results?buildId=638946&view=results
• Conformance: https://dev.azure.com/mariner-org/mariner/_build/results?buildId=639056&view=results