Add Shutdown error

This error is for when the system had to be shut down
due to a power fault to avoid leaving the system in a
possibly dangerous state.

The elog-errors.hpp header file was generated by running
phosphor-logging/tools/elog-gen.py against the yaml.

Change-Id: I6fd7b9562cb3e0c8b32bcd1a18934d250a3ac896
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/xyz/openbmc_project/Power/Fault.errors.yaml b/xyz/openbmc_project/Power/Fault.errors.yaml
new file mode 100644
index 0000000..e646d02
--- /dev/null
+++ b/xyz/openbmc_project/Power/Fault.errors.yaml
@@ -0,0 +1,2 @@
+- name: Shutdown
+  description: A power off was issued because a power fault was detected