Add redfish wrapanapi properties

This adds `machine_type` and `product_name` properties to
`RedfishServer`.

Related PR:
  * ManageIQ/manageiq-providers-redfish#83

tests/test_redfish.py

@@ -99,6 +99,9 @@ def test_server_complex_properties(self, mock_connector):
             },
             "/redfish/v1/Systems/System-1-2-1-1/Processors/CPU.Socket.1": {
                 "@odata.id": "/redfish/v1/Systems/System-1-2-1-1/Processors/CPU.Socket.1",
+                "InstructionSet": [{
+                    "Member": "x86-64"
+                }],
                 "TotalCores": 20,
             }
         })
@@ -111,6 +114,8 @@ def test_server_complex_properties(self, mock_connector):
         self.assertFalse(rf_server.is_off)
         self.assertFalse(rf_server.is_powering_on)
         self.assertFalse(rf_server.is_powering_off)
+        self.assertEqual(rf_server.machine_type, "x86-64")
+        self.assertEqual(rf_server.product_name, "System")
 
     def test_server_power_states(self, mock_connector):
         # string,

wrapanapi/systems/redfish.py

@@ -106,6 +106,16 @@ def state(self):
         """Retrieve the current power status of the physical server."""
         return self.raw.PowerState
 
+    @property
+    def machine_type(self):
+        """Retrieve the server's machine type."""
+        return self.raw.Processors.Members[0].InstructionSet[0]["Member"]
+
+    @property
+    def product_name(self):
+        """Reurn the product name of the server"""
+        return self.raw.Name
+
     def _get_state(self):
         """
         Return ServerState object representing the server's current state.