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

MTD driver for Olympus MAUSB-10 and Fujifilm DPC-R1

modulename: alauda.ko

configname: CONFIG_MTD_ALAUDA

Linux Kernel Configuration
└─>Device Drivers
└─>Memory Technology Device (MTD) support
└─>NAND Device Support
└─>MTD driver for Olympus MAUSB-10 and Fujifilm DPC-R1
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
These two (and possibly other) Alauda-based cardreaders for
SmartMedia and xD allow raw flash access.

source code: