default or selected kernelversion does not have config value CONFIG_NVEC_LEDS.
Result is shown for kernelversion 5.3.7

NVEC leds

modulename: nvec_leds.ko

configname: CONFIG_NVEC_LEDS

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>NVEC leds
In linux kernel since version 3.3 (release Date: 2012-03-18)  
Say Y to enable yellow side leds on AC100 or other nVidia tegra nvec leds

source code: