Update SGX SDK to 2.22

[nick-mobilecoin]

For the header file changes, one can look at the following:

• https://github.com/intel/linux-sgx/compare/sgx_2.21...sgx_2.22
• https://github.com/intel/SGXDataCenterAttestationPrimitives/compare/DCAP_1.18...DCAP_1.19

[nick-mobilecoin]

Current dependencies on/for this PR:

• main
  • PR #449
  • PR #450
    • PR #452 👈

This stack of pull requests is managed by Graphite.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (512da98) 88.39% compared to head (535392c) 88.40%.

:exclamation: Current head 535392c differs from pull request most recent head a6086ae. Consider uploading reports for the commit a6086ae to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## nick/ord-for-security-versions #452 +/- ## =============================================================== Coverage 88.39% 88.40% =============================================================== Files 40 40 Lines 5663 5667 +4 =============================================================== + Hits 5006 5010 +4 Misses 657 657 ```

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