Description

Added req file for testing challenge password

PR checklist

Please add the numbers (or links) of the associated pull requests for consuming branches. You can omit branches where this pull request is not needed.

• TF-PSA-Crypto PR not required because: No changes
• development PR provided Add challenge password to CSR Development mbedtls#10431
• 3.6 PR provided : Add challenge password to CSR mbedtls 3.6 mbedtls#10432

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