Autogenerate environment.fish script for SDK

[kubkon]

This commit tweaks install-sgx-sdk.bin.tmpl to auto-generate
a version of the environment script for fish-style shells in
addition to bash. The generated script is simply called
environment.fish.

Signed-off-by: Jakub Konka jakub.konka@golem.network

[bot-cc1s-branch-sync]

Important

🔀 The Intel® SGX SDK codebase has moved

Thank you for your contribution!
The code this pull request modifies now resides in a new repository,¹ so, unfortunately, it can no longer be merged here as-is. If your change is still relevant, please re-open it against the SDK repository, where this code is now maintained.

If you have any questions or need assistance migrating, please ask here. As we complete the migration, older pull requests may eventually be closed. No work is lost, though, and you are welcome to re-open your change in the new repository at any time.

Footnotes

1. The affected sources were migrated from confidential-computing.sgx to the dedicated confidential-computing.sgx.sdk repo. The migration covered the SDK sources (sdk/), shared headers (common/), samples (SampleCode/), and the runtime libraries (psw/urts, psw/enclave_common). ↩