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

CONFIG_DMA_NONCOHERENT_OPS (not configurable)

modulename: noncoherent.ko

configname: CONFIG_DMA_NONCOHERENT_OPS

Linux Kernel Configuration
└─>Library routines
└─>DMA_NONCOHERENT_OPS
In linux kernel since version 4.2 (release Date: 2015-08-30)  
source code:
kernel/dma/noncoherent.c

depends
CONFIG_HAS_DMA