On x86 platforms the SMBIOS data tables can be customized
using the <smbios> XML config.
For example, to populate them based on the <sysinfo> data
<smbios mode="sysinfo"/>
Or to copy the host's SMBIOS
<smbios mode="host"/>
Change-Id: Ia4e6c1d9b0d66c58700ccf0f0fd97fa302aba64d
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>