CONFIG_KVM_E500V2 is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc

KVM support for PowerPC E500v2 processors

modulename: kvm.ko

configname: CONFIG_KVM_E500V2

Linux Kernel Configuration
└─>KVM support for PowerPC E500v2 processors
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Support running unmodified E500 guest kernels in virtual machines on
E500v2 host processors.

This module provides access to the hardware capabilities through
a character device node named /dev/kvm.

If unsure, say N.

source code: