Enable CAVP testing of DRBG

configname: CONFIG_CRYPTO_USER_API_RNG_CAVP

Linux Kernel Configuration
└─>Cryptographic API
└─>Userspace interface
└─>Enable CAVP testing of DRBG
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
Enable extra APIs in the userspace interface for NIST CAVP
(Cryptographic Algorithm Validation Program) testing:
- resetting DRBG entropy
- providing Additional Data

This should only be enabled for CAVP testing. You should say
no unless you know what this is.