CONFIG_SCB5_MI0_SLOT1 is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_SCB5_MI0_SLOT1.
Result is shown for kernelversion 6.7-rc3

Slot 1 slave interface id

configname: CONFIG_SCB5_MI0_SLOT1

Linux Kernel Configuration
└─>BF609 Specific Configuration
└─>SCB5 Master Interface 0
└─>Slot 1 slave interface id
In linux kernel since version 3.12 (release Date: 2013-11-03)