add .clang-format

Change-Id: I7c2a527b4751a560703a61fcbe9638b150546af5
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/error-HostEvent.hpp b/error-HostEvent.hpp
index 40872a1..72dc6e9 100644
--- a/error-HostEvent.hpp
+++ b/error-HostEvent.hpp
@@ -16,10 +16,9 @@
 struct Event final : public sdbusplus::exception_t
 {
     static constexpr auto errName = "org.open_power.Host.Error.Event";
-    static constexpr auto errDesc =
-            "A host system event was received";
+    static constexpr auto errDesc = "A host system event was received";
     static constexpr auto errWhat =
-            "org.open_power.Host.Error.Event: A host system event was received";
+        "org.open_power.Host.Error.Event: A host system event was received";
 
     const char* name() const noexcept override;
     const char* description() const noexcept override;
@@ -28,11 +27,13 @@
 
 struct MaintenanceProcedure final : public sdbusplus::exception_t
 {
-    static constexpr auto errName = "org.open_power.Host.Error.MaintenanceProcedure";
+    static constexpr auto errName =
+        "org.open_power.Host.Error.MaintenanceProcedure";
     static constexpr auto errDesc =
-            "A host system event with a procedure callout";
+        "A host system event with a procedure callout";
     static constexpr auto errWhat =
-            "org.open_power.Host.Error.MaintenanceProcedure: A host system event with a procedure callout";
+        "org.open_power.Host.Error.MaintenanceProcedure: A host system event "
+        "with a procedure callout";
 
     const char* name() const noexcept override;
     const char* description() const noexcept override;
@@ -44,4 +45,3 @@
 } // namespace open_power
 } // namespace org
 } // namespace sdbusplus
-