clang-format: Update to match docs repo

Update the .clang-format file and run clang-format-6.0.
This .clang-format matches the example one in
https://github.com/openbmc/docs/blob/master/cpp-style-and-conventions.md#clang-formatting

Change-Id: Ia331c9a5b040e1a3c45a0ebf1b8d776d93b05ae5
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/rtnetlink_server.hpp b/rtnetlink_server.hpp
index 0991ae0..e62f51c 100644
--- a/rtnetlink_server.hpp
+++ b/rtnetlink_server.hpp
@@ -23,25 +23,24 @@
 class Server
 {
 
-    public:
+  public:
+    /** @brief Constructor
+     *
+     *  @details Sets up the server to handle incoming RTNETLINK events
+     *
+     *  @param[in] eventPtr - Unique ptr reference to sd_event.
+     *  @param[in] socket - netlink socket.
+     */
+    Server(EventPtr& eventPtr, const phosphor::Descriptor& socket);
 
-        /** @brief Constructor
-         *
-         *  @details Sets up the server to handle incoming RTNETLINK events
-         *
-         *  @param[in] eventPtr - Unique ptr reference to sd_event.
-         *  @param[in] socket - netlink socket.
-         */
-        Server(EventPtr& eventPtr, const phosphor::Descriptor& socket);
-
-        Server() = delete;
-        ~Server() = default;
-        Server(const Server&) = delete;
-        Server& operator=(const Server&) = delete;
-        Server(Server&&) = default;
-        Server& operator=(Server &&) = default;
+    Server() = delete;
+    ~Server() = default;
+    Server(const Server&) = delete;
+    Server& operator=(const Server&) = delete;
+    Server(Server&&) = default;
+    Server& operator=(Server&&) = default;
 };
 
-} //namespace rtnetlink
-} //namespce network
-} //namespace phosphor
+} // namespace rtnetlink
+} // namespace network
+} // namespace phosphor