CONFIG_LEDS is not available for thedefaultarchitecture x86.
Result is shown for architecture unicore32
default or selected kernelversion does not have config value CONFIG_LEDS.
Result is shown for kernelversion 6.9.5

CONFIG_LEDS (not configurable)

configname: CONFIG_LEDS

Linux Kernel Configuration
└─>Kernel Features
└─>LEDS
In linux kernel since version 2.6.12  
depends
CONFIG_GPIOLIB