CONFIG_SCB7_MI0 is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin

SCB7 Master Interface 0

configname: CONFIG_SCB7_MI0

Linux Kernel Configuration
└─>BF609 Specific Configuration
└─>SCB7 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.
PIXC0 -- 0
PIXC1 -- 1
PIXC2 -- 2