Document device-model-domid for when using a device model stubdomain.
Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
The process ID of the device model associated with this domain, if it
has one.
+#### ~/image/device-model-domid = INTEGER [INTERNAL]
+
+The domain ID of the device model stubdomain associated with this domain,
+if it has one.
+
#### ~/cpu/[0-9]+/availability = ("online"|"offline") [PV]
One node for each virtual CPU up to the guest's configured