default or selected kernelversion does not have config value CONFIG_MTD_DOCPROBE.
Result is shown for kernelversion 6.2.5

CONFIG_MTD_DOCPROBE (not configurable)

modulename: docprobe.ko

configname: CONFIG_MTD_DOCPROBE

Linux Kernel Configuration
└─>Device Drivers
└─>Memory Technology Device (MTD) support
└─>Self-contained MTD device drivers
└─>MTD_DOCPROBE
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
source code:
drivers/mtd/devices//docprobe.c

depends
CONFIG_MTD