CONFIG_MACH_EDMINI_V2 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

LaCie Ethernet Disk mini V2

modulename: edmini_v2-setup.ko

configname: CONFIG_MACH_EDMINI_V2

Linux Kernel Configuration
└─>Orion Implementations
└─>LaCie Ethernet Disk mini V2
In linux kernel since version 2.6.28 (release Date: 2008-12-24)  
Say 'Y' here if you want your kernel to support the
LaCie Ethernet Disk mini V2.

source code:
arch/arm/mach-orion5x/edmini_v2-setup.c