CONFIG_SOC_ZX297520V3 is not available for the selected architecture x86.
Result is shown for architecture arm

zx297520v3 SoC

modulename: zx297520v3.ko

configname: CONFIG_SOC_ZX297520V3

Linux Kernel Configuration
└─>ZTE zx family
└─>zx297520v3 SoC
In linux kernel since version 5.10.259 (release Date: 2026-06-19)
Support for ZTE zx297520v3 SoC. It is a single core SoC used in cheap
LTE to WiFi routers. These devices can be identified by the occurrence
of the string "zx297520v3" in the boot output and /proc/cpuinfo of
their stock firmware.

Please read Documentation/arch/arm/zte/zx297520v3.rst on how to boot
the kernel.
source code: