Add microshift-multus

Author: aleskandro

os_microshift.Containerfile

@@ -36,7 +36,7 @@ COPY --from=artifacts /srv/fakerpms/ /tmp/rpms/
 
 RUN set -x; PACKAGES_INSTALL="NetworkManager-ovs /tmp/rpms/*.rpm"; \
     rpm-ostree install $PACKAGES_INSTALL \
-    && rpm-ostree install microshift \
+    && rpm-ostree install microshift microshift-multus \
     && rm -rf /tmp/rpms \
     # ex rebuild will consume the /etc/rpm-ostree/origin.d overrides
     && rpm-ostree ex rebuild \