CONFIG_SCB0_MI5 is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin

SCB0 Master Interface 5 (SMMR)

configname: CONFIG_SCB0_MI5

Linux Kernel Configuration
└─>BF609 Specific Configuration
└─>SCB0 Master Interface 5 (SMMR)
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.
MMR0 -- 1
MMR1 -- 3
SCB2 -- 10
SCB4 -- 12