Correct command usage in bare metal document
Correct command usage in bare metal document

This change is about command usage. see description in this link:
http://docs.openstack.org/contributor-guide/writing-style/ui-terminology.html
notice this sentence: "Depending on whether you describe CLI actions
in the running text or in procedures, consider the following usage"

Change-Id: I0902af058b5e8b6ba678b3fe6151a2021eaf1233

openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals