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

Intel On Demand (Software Defined Silicon) Driver

modulename: intel_sdsi.ko

configname: CONFIG_INTEL_SDSI

Linux Kernel Configuration
└─>Device Drivers
└─>X86 Platform Specific Device Drivers
└─>Intel On Demand (Software Defined Silicon) Driver
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
This driver enables access to the Intel On Demand (formerly 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: