core: Add host kdump status to VdsDynamic

Adds host kdump configuration status to VdsDynamic.

Change-Id: I3284c8b9d99b2cabda51558aac92ed0f37262537
Bug-Url: https://bugzilla.redhat.com/1079821
Signed-off-by: Martin Perina <mperina@redhat.com>