CONFIG_GEF_SBC310 is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc

GE SBC310

modulename: gef_sbc310.ko

configname: CONFIG_GEF_SBC310

Linux Kernel Configuration
└─>GE SBC310
In linux kernel since version 2.6.30 (release Date: 2009-06-09)  
This option enables support for the GE SBC310.

source code: