edk2: Enables aarch64 VMF build.

[Sumynwa]

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

This change enables building arm64 virtual machine firmware binaries in edk2 package.

Change Log

• Enable build_aarch64 to build arm64 firmware bins
• Disable OVMF compilation on aarch64 hosts due to missing cross gcc-x86_64-linux-gnu
• Remove 32bit arm compilation due to missing gcc compiler/cross-compiler
• Add patch to increase default firmware size in ArmVirtPkg to 3Mb for debug package builds

Does this affect the toolchain?

NO

Associated issues

• #xxxx

Links to CVEs

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

Test Methodology

• Pipeline build id: Buddy Build
• Local build