default or selected kernelversion does not have config value CONFIG_LEDS_GPIO_OF.
Result is shown for kernelversion 5.6.18

OpenFirmware platform device bindings for GPIO LEDs

configname: CONFIG_LEDS_GPIO_OF

Linux Kernel Configuration
└─>Device Drivers
└─>LED Support
└─>OpenFirmware platform device bindings for GPIO LEDs
In linux kernel since version 2.6.30 (release Date: 2009-06-09)  
Let the leds-gpio driver drive LEDs which have been defined as
of_platform devices. For instance, LEDs which are listed in a "dts"
file.