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

Keymile MGCOGE

modulename: mgcoge.ko

configname: CONFIG_MGCOGE

Linux Kernel Configuration
└─>82xx-based boards (PQ II)
└─>Keymile MGCOGE
In linux kernel since version 2.6.28 (release Date: 2008-12-24)  
This enables support for the Keymile MGCOGE board.

source code: