Add i18n _() to string
Add i18n _() to string

This adds the i18n _() to a description string.

Change-Id: Id6b7f69a926fd6ccd2af12708ca217f4e1c29e2e

SauloAislan/ironic,NaohiroTamura/ironic,openstack/ironic,SauloAislan/ironic,openstack/ironic,NaohiroTamura/ironic,pshchelo/ironic,pshchelo/ironic