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/discover_system_state.cpp b/discover_system_state.cpp
index 2790c58..dfbf876 100644
--- a/discover_system_state.cpp
+++ b/discover_system_state.cpp
@@ -106,7 +106,7 @@
 
 } // namespace manager
 } // namespace state
-} // namepsace phosphor
+} // namespace phosphor
 
 int main(int argc, char** argv)
 {