qemu: Refactor probing of accelerator dependent data
qemu: Refactor probing of accelerator dependent data

To avoid duplicating code which selects the right virQEMUCapsAccel data
to be filled during probing.

Signed-off-by: Jiri Denemark <62bdf77dc47919a4d59a91822129d14633cfca81@redhat.com>
Reviewed-by: Ján Tomko <4cab11cfb98d3c937327354a78eb07dbb6ee2bc6@redhat.com>

jardasgit/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,jfehlig/libvirt,crobinso/libvirt,jfehlig/libvirt,zippy2/libvirt,libvirt/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,libvirt/libvirt,jfehlig/libvirt,zippy2/libvirt,jardasgit/libvirt,olafhering/libvirt,libvirt/libvirt,jardasgit/libvirt,olafhering/libvirt,libvirt/libvirt,crobinso/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,jardasgit/libvirt,olafhering/libvirt,crobinso/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,olafhering/libvirt,jfehlig/libvirt,zippy2/libvirt,crobinso/libvirt,zippy2/libvirt