history: No history data for unbounded host interfaces

The dwh_host_interface_configuration_history_view missed to include
host interfaces in vds_interface whose is_bound field is false.

Change-Id: I44fe7c0edbf1429f0bf513459cf9dff10f6f9395
Bug-Url: https://bugzilla.redhat.com/1069605
Signed-off-by: plysan <plysab@gmail.com>
Signed-off-by: Yaniv Dary <ydary@redhat.com>