Clang 6 updates

Just some minor spelling fixes on the namespaces

Change-Id: I9ed639a4d78b7fbc6f796ed8f74eee9316c429e0
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/host_state_manager.cpp b/host_state_manager.cpp
index ec1f95f..38c9469 100644
--- a/host_state_manager.cpp
+++ b/host_state_manager.cpp
@@ -351,4 +351,4 @@
 
 } // namespace manager
 } // namespace state
-} // namepsace phosphor
+} // namespace phosphor