Add Hoth interface

Create a new google namespace and add the Hoth interface to this
namespace.

Signed-off-by: John Edward Broadbent <jebr@google.com>
Change-Id: I001dc34ef081885b6094d3d1aab578b0d882b53a
diff --git a/yaml/com/google/gbmc/Hoth.errors.yaml b/yaml/com/google/gbmc/Hoth.errors.yaml
new file mode 100644
index 0000000..c697f93
--- /dev/null
+++ b/yaml/com/google/gbmc/Hoth.errors.yaml
@@ -0,0 +1,13 @@
+- name: CommandFailure
+  description: Failed to send the command to Hoth.
+- name: ResponseFailure
+  description: Failed to retrieve response from Hoth.
+- name: FirmwareFailure
+  description: Failed to send firmware update to Hoth.
+- name: ResponseNotFound
+  description: Could not find a response. The command may not have completed yet.
+- name: InterfaceError
+  description: A system error occured with the Hoth interface.
+- name: ExpectedInfoNotFound
+  description: Could not find the expected information in the response.
+