CONFIG_MPC10X_BRIDGE is not available for thedefaultarchitecture x86.
Result is shown for architecture ppc

CONFIG_MPC10X_BRIDGE (not configurable)

modulename: mpc10x_common.ko

configname: CONFIG_MPC10X_BRIDGE

Linux/PowerPC Kernel Configuration
└─>Platform options
└─>MPC10X_BRIDGE
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
source code: