Add Threshold Critical Errors

Added Sensor Threshold CriticalHigh and CriticalLow errors.

Change-Id: Ie29a39ed5c58e51a38c33952e582de1b35811247
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/xyz/openbmc_project/Sensor/Threshold.metadata.yaml b/xyz/openbmc_project/Sensor/Threshold.metadata.yaml
new file mode 100644
index 0000000..fa5ff1e
--- /dev/null
+++ b/xyz/openbmc_project/Sensor/Threshold.metadata.yaml
@@ -0,0 +1,10 @@
+- name: CriticalHigh
+  level: ERR
+  meta:
+    - str: "SENSOR_TYPE=%s"
+      type: string
+- name: CriticalLow
+  level: ERR
+  meta:
+    - str: "SENSOR_TYPE=%s"
+      type: string