Update example5
Update example5

Details:
- Adapt example5 after the return resource object
  instead of URI changes.

Signed-off-by: Juergen Leopold <2ef4e6fc356c4a0c570adb4e83b64b658f380892@de.ibm.com>

zhmcclient/python-zhmcclient,zhmcclient/python-zhmcclient