CONFIG_MPIC is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc

CONFIG_MPIC (not configurable)

modulename: mpic.ko

configname: CONFIG_MPIC

Linux/PowerPC Kernel Configuration
└─>Platform support
└─>MPIC
In linux kernel since version 2.6.15 (release Date: 2006-01-02)  
source code:
arch/powerpc/sysdev/mpic.c