meta-ibm: witherspoon: Add total_power sensor to chassis association

This sensor is needed under the chassis association so that bmcweb can report
the PowerControl/PowerConsumedWatts Redfish property.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Change-Id: Ic55c3d8f0aece0ab12b963b69a7de25359f6c9cd
diff --git a/meta-witherspoon/recipes-phosphor/inventory/phosphor-inventory-manager/associations.json b/meta-witherspoon/recipes-phosphor/inventory/phosphor-inventory-manager/associations.json
index 0adee9c..bea5269 100644
--- a/meta-witherspoon/recipes-phosphor/inventory/phosphor-inventory-manager/associations.json
+++ b/meta-witherspoon/recipes-phosphor/inventory/phosphor-inventory-manager/associations.json
@@ -1597,7 +1597,9 @@
                     "/xyz/openbmc_project/sensors/current/p1_vcs_current",
                     "/xyz/openbmc_project/sensors/current/p1_vddr_current",
                     "/xyz/openbmc_project/sensors/current/p1_vdd_current",
-                    "/xyz/openbmc_project/sensors/current/p1_vdn_current"
+                    "/xyz/openbmc_project/sensors/current/p1_vdn_current",
+
+                    "/xyz/openbmc_project/sensors/power/total_power"
                 ]
             }
         ]