default or selected kernelversion does not have config value CONFIG_VT6656.
Result is shown for kernelversion 6.9.9

VIA Technologies VT6656 support

modulename:  vt6656_stage.ko

configname: CONFIG_VT6656

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Wireless LAN
└─>VIA Technologies VT6656 support
In linux kernel since version 2.6.32 (release Date: 2009-12-02)  
This is a vendor-written driver for VIA VT6656.

source code:
drivers/staging/vt6656/