Fix issue where UI expects cpu methods on a Host.
Fix issue where UI expects cpu methods on a Host.

https://bugzilla.redhat.com/show_bug.cgi?id=1238485
(transferred from ManageIQ/manageiq@3f9437600fe3dcfaddee5b1266845818269176aa)

ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic