With this patch, Freescale ppc64 CPU modesl could be recognized.
virsh # cpu-models ppc64
POWERPC_e6500
POWERPC_e5500
power8
power8e
power7+
power7
power6
POWER8_v1.0
POWER7+_v2.1
POWER7_v2.3
POWER7_v2.1
POWER7
virsh # capabilities
<capabilities>
<host>
<uuid>
5a54efa6-20dc-4da7-b271-
0b7fb7062cb8</uuid>
<cpu>
<arch>ppc64</arch>
<model>POWERPC_e6500</model>
<vendor>Freescale</vendor>
<arch name='ppc64'>
<!-- vendor definitions -->
<vendor name='IBM'/>
+ <vendor name='Freescale'/>
<!-- IBM-based CPU models -->
<model name='POWER7'>
<pvr value='0x004d0000'/>
</model>
+<!-- Freescale-based CPU models -->
+ <model name='POWERPC_e5500'>
+ <vendor name='Freescale'/>
+ <pvr value='0x80240000'/>
+ </model>
+
+ <model name='POWERPC_e6500'>
+ <vendor name='Freescale'/>
+ <pvr value='0x80400000'/>
+ </model>
+
</arch>
</cpus>