CONFIG_BFIN_DMA_5XX is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_BFIN_DMA_5XX.
Result is shown for kernelversion 5.3.7

Enable DMA Support

modulename: bfin_dma_5xx.ko

configname: CONFIG_BFIN_DMA_5XX

Blackfin Kernel Configuration
└─>Blackfin Processor Options
└─>Enable DMA Support
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
DMA driver for BF5xx.

source code:
arch/blackfin/kernel/bfin_dma_5xx.c