default or selected kernelversion does not have config value CONFIG_BACKLIGHT_MBP_NVIDIA.
Result is shown for kernelversion 5.4.69

MacBook Pro Nvidia Backlight Driver

modulename: mbp_nvidia_bl.ko

configname: CONFIG_BACKLIGHT_MBP_NVIDIA

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Backlight & LCD device support
└─>MacBook Pro Nvidia Backlight Driver
In linux kernel since version 2.6.27 (release Date: 2008-10-09)  
If you have an Apple Macbook Pro with Nvidia graphics hardware say Y
to enable a driver for its backlight

source code:
drivers/video/backlight//mbp_nvidia_bl.c