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

StarFive StarLink Cache controller

modulename: starfive_starlink_cache.ko

configname: CONFIG_STARFIVE_STARLINK_CACHE

Linux Kernel Configuration
└─>Device Drivers
└─>Cache Drivers
└─>StarFive StarLink Cache controller
In linux kernel since version 6.11 (release Date: 2024-09-15)  
Support for the StarLink cache controller IP from StarFive.

source code: