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

CONFIG_CPM (not configurable)

modulename: cpm_common.ko

configname: CONFIG_CPM

Linux Kernel Configuration
└─>Platform support
└─>CPM
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
source code:
arch/powerpc/sysdev/cpm_common.c