CONFIG_SCB2_MI0 is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_SCB2_MI0.
Result is shown for kernelversion 6.7-rc3

SCB2 Master Interface 0

configname: CONFIG_SCB2_MI0

Linux Kernel Configuration
└─>BF609 Specific Configuration
└─>SCB2 Master Interface 0
In linux kernel since version 3.12 (release Date: 2013-11-03)  
The slave interface id of each slot should be set according following table.
RSI -- 0
SDU DMA -- 1
SDU -- 2
EMAC0 -- 3
EMAC1 -- 4