Install python-hardware-detect on the IPA image

This is required for advanced introspection and is installed by default by the
tripleoclient image builder.

Change-Id: Ibee9ba1a0620c46b7a52e5733bc76af69bf60d6b

playbooks/roles/images/build/tasks/dib_build.yml

@@ -61,6 +61,7 @@
     selinux-permissive \
     pip-and-virtualenv-override \
     ironic-agent \
+    -p python-hardware-detect \
     --min-tmpfs 5 2>&1 | tee {{ working_dir }}/dib-agent-ramdisk.log
   environment:
     DIB_LOCAL_IMAGE: "{{ working_dir }}/minimal-base.qcow2"