default or selected kernelversion does not have config value CONFIG_CRYPTO_DEV_DCP.
Result is shown for kernelversion 6.5.1

Support for the DCP engine

modulename: dcp.ko

configname: CONFIG_CRYPTO_DEV_DCP

Linux Kernel Configuration
└─>Cryptographic API
└─>Hardware crypto devices
└─>Support for the DCP engine
In linux kernel since version 3.11 (release Date: 2013-09-02)  
This options enables support for the hardware crypto-acceleration
capabilities of the DCP co-processor

source code:
drivers/crypto/dcp.c