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

Generic Panel

modulename: panel-generic.ko

configname: CONFIG_PANEL_GENERIC

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>OMAP2/3 Display Subsystem support (EXPERIMENTAL)
└─>OMAP2/3 Display Device Drivers
└─>Generic Panel
In linux kernel since version 2.6.33 (release Date: 2010-02-24)  
Generic panel driver.
Used for DVI output for Beagle and OMAP3 SDP.

source code: