macros: enable FIPS check by default

[bcressey]

Issue number: Related: https://github.com/bottlerocket-os/bottlerocket/issues/1667

Description of changes: All of the packages in the main repo should now be building binaries for FIPS and non-FIPS. Enable the FIPS check by default so it stays that way.

Testing done: Built the main repo with an SDK build that included this change and confirmed that the FIPS check script was running.

❯ rg 'built for FIPS' variants/target/aarch64/debug/build
variants/target/aarch64/debug/build/aws-iam-authenticator-2f7d165b589c418c/output
5350:#20 67.89 Found 1 binary built for FIPS.

Terms of contribution:

By submitting this pull request, I agree that this contribution is dual-licensed under the terms of both the Apache License, version 2.0, and the MIT license.