CONFIG_GE_IMP3A is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc

GE Intelligent Platforms IMP3A

modulename: ge_imp3a.ko

configname: CONFIG_GE_IMP3A

Linux Kernel Configuration
└─>Freescale Book-E Machine Type
└─>GE Intelligent Platforms IMP3A
In linux kernel since version 3.1 (release Date: 2011-10-24)  
This option enables support for the GE Intelligent Platforms IMP3A
board.

This board is a 3U CompactPCI Single Board Computer with a Freescale
P2020 processor.

source code:
arch/powerpc/platforms/85xx/ge_imp3a.c