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

KuroBox Pro

modulename: kurobox_pro-setup.ko

configname: CONFIG_MACH_KUROBOX_PRO

Linux Kernel Configuration
└─>Marvell Orion
└─>KuroBox Pro
In linux kernel since version 2.6.25 (release Date: 2008-04-16)  
Say 'Y' here if you want your kernel to support the
KuroBox Pro platform.

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