control:p10bmc:ibm,rainier-1s4u: Add decrease action for NVMe temps

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

Change-Id: I8e1cbd5a958156a54256684107f44e04e0d128bc
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
diff --git a/control/config_files/p10bmc/ibm,rainier-1s4u/events.json b/control/config_files/p10bmc/ibm,rainier-1s4u/events.json
index 1db4e97..2374b98 100644
--- a/control/config_files/p10bmc/ibm,rainier-1s4u/events.json
+++ b/control/config_files/p10bmc/ibm,rainier-1s4u/events.json
@@ -644,6 +644,18 @@
          ],
          "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
        }
      ]
    }