default or selected kernelversion does not have config value CONFIG_BACKLIGHT_LM3533.
Result is shown for kernelversion 5.9.9

Backlight Driver for LM3533

modulename: lm3533_bl.ko
configname: CONFIG_BACKLIGHT_LM3533

Linux Kernel Configuration
└─> Device Drivers
└─> Graphics support
└─> Backlight & LCD device support
└─> Backlight Driver for LM3533

Say Y to enable the backlight driver for National Semiconductor / TI
LM3533 Lighting Power chips.

The backlights can be controlled directly, through PWM input, or by
the ambient-light-sensor interface. The chip supports 256 brightness

source code: