ppc64le: cd into ci-config before trying to execute dlrn-report.sh
ppc64le: cd into ci-config before trying to execute dlrn-report.sh

Current error is that we can't find the dlrn-report script. This
is because we're in the wrong directory. This patch points directly
to the script rather than assuming we're in the correct directory.

Change-Id: Icd965bf8e309eab295327cb3897cbb426f111e2e

redhat-openstack/rdo-infra,redhat-openstack/rdo-infra,rdo-infra/ci-config,redhat-openstack/rdo-infra,rdo-infra/ci-config,rdo-infra/ci-config,rdo-infra/ci-config,redhat-openstack/rdo-infra