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

Buffalo Linkstation Pro/Live

modulename: kurobox_pro-setup.ko

configname: CONFIG_MACH_LINKSTATION_PRO

Linux Kernel Configuration
└─>Marvell Orion
└─>Buffalo Linkstation Pro/Live
In linux kernel since version 2.6.26 (release Date: 2008-07-13)  
Say 'Y' here if you want your kernel to support the
Buffalo Linkstation Pro/Live platform. Both v1 and
v2 devices are supported.

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