CONFIG_MN10300 is not available for thedefaultarchitecture x86.
Result is shown for architecture mn10300

CONFIG_MN10300 (not configurable)

modulename: setup-bus.ko

configname: CONFIG_MN10300

Linux Kernel Configuration
└─>MN10300
In linux kernel since version 2.6.25 (release Date: 2008-04-16)  
source code:
selects
CONFIG_HAVE_OPROFILE
CONFIG_HAVE_GENERIC_HARDIRQS
CONFIG_GENERIC_IRQ_SHOW
CONFIG_HAVE_ARCH_TRACEHOOK
CONFIG_HAVE_ARCH_KGDB

is selected by
CONFIG_SMSC911X