Rename and update ironic-deploy-helper rootwrap

The utility baremetal-deploy-helper is no longer available in ironic.
Rename the rootwrap file to ironic-utils and update the list of commands
and their location.

Change-Id: I89b7bc7f7db33763000d83a93ae028af773453de
Merge "Rename and update ironic-deploy-helper rootwrap"