migrate sgx related commits to 1.19

[Chen-Xintong]

Please provide a description of this PR:

To help us figure out who should review this PR, please put an X in all the areas that this PR affects.

• [ ] Ambient
• [ ] Configuration Infrastructure
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• [ ] Security
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[gyohuangxin]

@zhlsunshine Can you review this because this PR also contains SGX gateway related commits?

[zhlsunshine]

@zhlsunshine Can you review this because this PR also contains SGX gateway related commits?

Yes, thanks @Chen-Xintong, and @gyohuangxin LGTM