
Added support to list the firmware components of a node under the baremetal service. - Created new functions `list_node_firmware` in baremetal proxy and `list_firmware` in baremetal node resource. - Added new release note to describe the new feature. - Added unit and functional tests for the new functions. Change-Id: Ib4b1584f24b0d4beb1594f97e1bbb8c81f5a84d5