default or selected kernelversion does not have config value CONFIG_MTD_SPINAND_MT29F.
Result is shown for kernelversion 6.9.9

SPINAND Device Support for Micron

modulename: mt29f_spinand.ko

configname: CONFIG_MTD_SPINAND_MT29F

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Raw/Parallel NAND Device Support
└─>SPI support
└─>SPINAND Device Support for Micron
In linux kernel since version 3.13 (release Date: 2014-01-19)  
This enables support for accessing Micron SPI NAND flash
devices.
If you have Micron SPI NAND chip say yes.

If unsure, say no here.

source code: