doc: ChangeLog: update kdump entry
doc: ChangeLog: update kdump entry

Change-Id: Ib8dad4fd761badd808687efe173603be36566f22
Signed-off-by: Alon Bar-Lev <2e3ceb4d37adc6ae3ccc00d3646e0e0a036ace03@redhat.com>

alonbl/ovirt-host-deploy,oVirt/ovirt-host-deploy,alonbl/ovirt-host-deploy,oVirt/ovirt-host-deploy,oVirt/ovirt-host-deploy