default or selected kernelversion does not have config value CONFIG_BCM2708_VCHIQ.
Result is shown for kernelversion 6.4.14

Videocore VCHIQ

modulename: vchiq.ko

configname: CONFIG_BCM2708_VCHIQ

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Videocore VCHIQ
In linux kernel since version 4.9 (release Date: 2016-12-11)  
Kernel to VideoCore communication interface for the
BCM2708 family of products.
Defaults to Y when the Broadcom Videocore services
are included in the build, N otherwise.

source code: