detect: Adding host UUID in hw.py
detect: Adding host UUID in hw.py

In openstack, the host uuid is passed as VM's serial number.
It could be useful to get the host UUID reported while taking the
bare-metal configuration. That will help understanding which VM was
running on which hypervisor

enovance/edeploy,lebauce/edeploy,redhat-cip/edeploy,enovance/edeploy,redhat-cip/edeploy,enovance/edeploy,lebauce/edeploy,lebauce/edeploy,redhat-cip/edeploy,lebauce/edeploy,redhat-cip/edeploy,enovance/edeploy