Error log inject tool

This tool adds an option to the logging-test
to inject an error as specified by command
line.

Change-Id: I1028bd3964db23ed5ffa50414f7a6cc2f880c40c
Signed-off-by: Michael Tritz <mtritz@us.ibm.com>
diff --git a/tools/example/xyz/openbmc_project/Example/Elog.metadata.yaml b/tools/example/xyz/openbmc_project/Example/Elog.metadata.yaml
index 5b027e1..77b60f8 100644
--- a/tools/example/xyz/openbmc_project/Example/Elog.metadata.yaml
+++ b/tools/example/xyz/openbmc_project/Example/Elog.metadata.yaml
@@ -19,3 +19,9 @@
           type: uint32
         - str: DEV_NAME=%s
           type: string
+
+- name: AutoTestSimple
+  level: ERR
+  meta:
+    - str: STRING=%s
+      type: string