CONFIG_SCB0_MI5_SLOT9 is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_SCB0_MI5_SLOT9.
Result is shown for kernelversion 6.7-rc3

Slot 9 slave interface id

configname: CONFIG_SCB0_MI5_SLOT9

Linux Kernel Configuration
└─>BF609 Specific Configuration
└─>SCB0 Master Interface 5 (SMMR)
└─>Slot 9 slave interface id
In linux kernel since version 3.12 (release Date: 2013-11-03)