control:p10bmc:ibm,rainier-2u: Add decrease action for NVMe temps

Add the initial target decrease action for the NVMe temperature group.

Change-Id: I7e0df136ea4ac3a3f74460d3faec953ebac5754b
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
diff --git a/control/config_files/p10bmc/ibm,rainier-2u/events.json b/control/config_files/p10bmc/ibm,rainier-2u/events.json
index 6f53ad4..d2abd5f 100644
--- a/control/config_files/p10bmc/ibm,rainier-2u/events.json
+++ b/control/config_files/p10bmc/ibm,rainier-2u/events.json
@@ -938,6 +938,18 @@
          ],
          "state": 79.0,
          "delta": 30
+       },
+       {
+         "name": "set_net_decrease_target",
+         "groups": [
+           {
+             "name": "nvme temps",
+             "interface": "xyz.openbmc_project.Sensor.Value",
+             "property": { "name": "Value" }
+           }
+         ],
+         "state": 55.0,
+         "delta": 40
        }
      ]
    }