CONFIG_SBC8641D is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc
Wind River SBC8641D
modulename: sbc8641d.ko
configname: CONFIG_SBC8641D
Linux Kernel Configuration
└─>Wind River SBC8641D
In linux kernel since version 2.6.26 (release Date: 2008-07-13)
This option enables support for the WRS SBC8641D board.