Add support for ppc64 qemu
Add support for ppc64 qemu

This enables libvirt to select the correct qemu binary (qemu-system-ppc64)
for a guest vm based on arch 'ppc64'.
Also, libvirt is enabled to correctly parse the list of supported PowerPC
CPUs, generated by running 'qemu-system-ppc64 -cpu ?'

Signed-off-by: Prerna Saxena <b819f382b3a7d16cd46580b6a7ddf6c34ea905da@linux.vnet.ibm.com>
Acked-by: Stefan Berger <5c96973112e540fb909b13997fcd087e5bfbee96@linux.vnet.ibm.com>

elmarco/libvirt,trainstack/libvirt,jfehlig/libvirt,olafhering/libvirt,iam-TJ/libvirt,novel/fbsd-libvirt,dumbbell/libvirt,emaste/libvirt,trainstack/libvirt,warewolf/libvirt,jeckersb/libvirt,dumbbell/libvirt,rmarwaha/libvirt1,olafhering/libvirt,jardasgit/libvirt,andreabolognani/libvirt,emaste/libvirt,rmarwaha/libvirt,jardasgit/libvirt,andreabolognani/libvirt,foomango/libvirt,emaste/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,iam-TJ/libvirt,rmarwaha/libvirt,rmarwaha/libvirt,jeckersb/libvirt,cbosdo/libvirt,danwent/libvirt-ovs,shugaoye/libvirt,foomango/libvirt,novel/fbsd-libvirt,trainstack/libvirt,elmarco/libvirt,dumbbell/libvirt,eskultety/libvirt,elmarco/libvirt,cbosdo/libvirt,novel/fbsd-libvirt,zippy2/libvirt,foomango/libvirt,novel/fbsd-libvirt,nertpinx/libvirt,datto/libvirt,olafhering/libvirt,danwent/libvirt-ovs,rmarwaha/libvirt1,rlaager/libvirt,zhlcindy/libvirt-1.1.4-maintain,novel/fbsd-libvirt,rlaager/libvirt,foomango/libvirt,jardasgit/libvirt,siboulet/libvirt-openvz,nertpinx/libvirt,agx/libvirt,crobinso/libvirt,bjzhang/libvirt,zhlcindy/libvirt-1.1.4-maintain,taget/libvirt,zippy2/libvirt,bjzhang/libvirt,elmarco/libvirt,danwent/libvirt-ovs,bjzhang/libvirt,eskultety/libvirt,VenkatDatta/libvirt,taget/libvirt,iam-TJ/libvirt,libvirt/libvirt,trainstack/libvirt,warewolf/libvirt,iam-TJ/libvirt,emaste/libvirt,zippy2/libvirt,rlaager/libvirt,novel/fbsd-libvirt,warewolf/libvirt,warewolf/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,iam-TJ/libvirt,jfehlig/libvirt,warewolf/libvirt,warewolf/libvirt,datto/libvirt,jeckersb/libvirt,olafhering/libvirt,agx/libvirt,siboulet/libvirt-openvz,shugaoye/libvirt,cbosdo/libvirt,rlaager/libvirt,libvirt/libvirt,shugaoye/libvirt,novel/fbsd-libvirt,taget/libvirt,trainstack/libvirt,rlaager/libvirt,emaste/libvirt,emaste/libvirt,rmarwaha/libvirt,eskultety/libvirt,eskultety/libvirt,andreabolognani/libvirt,siboulet/libvirt-openvz,datto/libvirt,wiedi/libvirt,andreabolognani/libvirt,jardasgit/libvirt,crobinso/libvirt,libvirt/libvirt,rmarwaha/libvirt,andreabolognani/libvirt,libvirt/libvirt,siboulet/libvirt-openvz,datto/libvirt,nertpinx/libvirt,VenkatDatta/libvirt,rmarwaha/libvirt,danwent/libvirt-ovs,zhlcindy/libvirt-1.1.4-maintain,fabianfreyer/libvirt,zippy2/libvirt,jfehlig/libvirt,zhlcindy/libvirt-1.1.4-maintain,jeckersb/libvirt,rmarwaha/libvirt1,nertpinx/libvirt,datto/libvirt,zhlcindy/libvirt-1.1.4-maintain,danwent/libvirt-ovs,warewolf/libvirt,fabianfreyer/libvirt,trainstack/libvirt,jeckersb/libvirt,crobinso/libvirt,wiedi/libvirt,wiedi/libvirt,fabianfreyer/libvirt,elmarco/libvirt,jeckersb/libvirt,novel/fbsd-libvirt,wiedi/libvirt,rmarwaha/libvirt1,VenkatDatta/libvirt,trainstack/libvirt,agx/libvirt,taget/libvirt,dumbbell/libvirt,nertpinx/libvirt,agx/libvirt,rmarwaha/libvirt1,iam-TJ/libvirt,rmarwaha/libvirt1,novel/fbsd-libvirt,foomango/libvirt,bjzhang/libvirt,emaste/libvirt,wiedi/libvirt,bjzhang/libvirt,shugaoye/libvirt,dumbbell/libvirt,VenkatDatta/libvirt,shugaoye/libvirt,eskultety/libvirt,agx/libvirt,iam-TJ/libvirt,cbosdo/libvirt,jeckersb/libvirt,taget/libvirt,cbosdo/libvirt,siboulet/libvirt-openvz,wiedi/libvirt,dumbbell/libvirt,crobinso/libvirt,VenkatDatta/libvirt,wiedi/libvirt