Host control needs metadata error yaml

Currently the phosphor-logging repo requires all error.yaml
files have a corresponding metadata.yaml.  A future change
will remove this requirement but for now just provide
the metadata file.

Change-Id: I9a3cbfbca39d180f7ed62cff4edd15807ac69e75
Signed-off-by: Andrew Geissler <andrewg@us.ibm.com>
diff --git a/xyz/openbmc_project/Control/Host.metadata.yaml b/xyz/openbmc_project/Control/Host.metadata.yaml
new file mode 100644
index 0000000..bda9a67
--- /dev/null
+++ b/xyz/openbmc_project/Control/Host.metadata.yaml
@@ -0,0 +1,2 @@
+- name: CommandNotSupported
+  level: ERR