ppc64le: Specify CICO_USER_DIR for tripleo-upstream-setup-roles
ppc64le: Specify CICO_USER_DIR for tripleo-upstream-setup-roles

We refer to CICO_USER_DIR in the tripleo-upstream-setup-roles
builder but we never define it. This patch defines it.

Change-Id: Id6b546c3a2dc73f4653243e8b17ea4f0d07d3651

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