default or selected kernelversion does not have config value CONFIG_GPIO_STA2X11.
Result is shown for kernelversion 6.8.5

STA2x11/ConneXt GPIO support

modulename: gpio-sta2x11.ko

configname: CONFIG_GPIO_STA2X11

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>Memory mapped GPIO drivers
└─>STA2x11/ConneXt GPIO support
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Say yes here to support the STA2x11/ConneXt GPIO device.
The GPIO module has 128 GPIO pins with alternate functions.

source code: