CONFIG_INTEL_SDSI is not available for thedefaultarchitecture x86.
Result is shown for architecture 64BIT

Intel Software Defined Silicon Driver

modulename: intel_sdsi.ko

configname: CONFIG_INTEL_SDSI

Linux Kernel Configuration
└─>Device Drivers
└─>X86 Platform Specific Device Drivers
└─>Intel Software Defined Silicon Driver
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
This driver enables access to the Intel Software Defined Silicon
interface used to provision silicon features with an authentication
certificate and capability license.

To compile this driver as a module, choose M here: the module will
be called intel_sdsi.

source code: