The UCS to Ironic key mapping for supported boot devices was changed
in UcsSdk v0.8.2.2. As a result of that, UCS drivers are failing while
looking at the UCS to Ironic mapping devices dict.
This change would address this problem.
Change-Id: Id86c4e2a7dfde552f808fcf83baba4097d9fd0c5
Closes-Bug: #1478452