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: Ic2c462525eb27b8295c2b298871e04268d93faf2
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/epoch_base.hpp b/epoch_base.hpp
index 79aca90..80fa3f4 100644
--- a/epoch_base.hpp
+++ b/epoch_base.hpp
@@ -1,13 +1,13 @@
 #pragma once
 
 #include "config.h"
+
 #include "property_change_listener.hpp"
 
+#include <chrono>
 #include <sdbusplus/bus.hpp>
 #include <xyz/openbmc_project/Time/EpochTime/server.hpp>
 
-#include <chrono>
-
 namespace phosphor
 {
 namespace time
@@ -18,48 +18,47 @@
  *  @details A base class that implements xyz.openbmc_project.Time.EpochTime
  *  DBus API for epoch time.
  */
-class EpochBase : public sdbusplus::server::object::object <
-    sdbusplus::xyz::openbmc_project::Time::server::EpochTime >,
-    public PropertyChangeListner
+class EpochBase : public sdbusplus::server::object::object<
+                      sdbusplus::xyz::openbmc_project::Time::server::EpochTime>,
+                  public PropertyChangeListner
 {
-    public:
-        friend class TestEpochBase;
+  public:
+    friend class TestEpochBase;
 
-        EpochBase(sdbusplus::bus::bus& bus,
-                  const char* objPath);
+    EpochBase(sdbusplus::bus::bus& bus, const char* objPath);
 
-        /** @brief Notified on time mode changed */
-        void onModeChanged(Mode mode) override;
+    /** @brief Notified on time mode changed */
+    void onModeChanged(Mode mode) override;
 
-        /** @brief Notified on time owner changed */
-        void onOwnerChanged(Owner owner) override;
+    /** @brief Notified on time owner changed */
+    void onOwnerChanged(Owner owner) override;
 
-    protected:
-        /** @brief Persistent sdbusplus DBus connection */
-        sdbusplus::bus::bus& bus;
+  protected:
+    /** @brief Persistent sdbusplus DBus connection */
+    sdbusplus::bus::bus& bus;
 
-        /** @brief The current time mode */
-        Mode timeMode = DEFAULT_TIME_MODE;
+    /** @brief The current time mode */
+    Mode timeMode = DEFAULT_TIME_MODE;
 
-        /** @brief The current time owner */
-        Owner timeOwner = DEFAULT_TIME_OWNER;
+    /** @brief The current time owner */
+    Owner timeOwner = DEFAULT_TIME_OWNER;
 
-        /** @brief Set current time to system
-         *
-         * This function set the time to system by invoking systemd
-         * org.freedesktop.timedate1's SetTime method.
-         *
-         * @param[in] timeOfDayUsec - Microseconds since UTC
-         *
-         * @return true or false to indicate if it sets time successfully
-         */
-        bool setTime(const std::chrono::microseconds& timeOfDayUsec);
+    /** @brief Set current time to system
+     *
+     * This function set the time to system by invoking systemd
+     * org.freedesktop.timedate1's SetTime method.
+     *
+     * @param[in] timeOfDayUsec - Microseconds since UTC
+     *
+     * @return true or false to indicate if it sets time successfully
+     */
+    bool setTime(const std::chrono::microseconds& timeOfDayUsec);
 
-        /** @brief Get current time
-         *
-         * @return Microseconds since UTC
-         */
-        std::chrono::microseconds getTime() const;
+    /** @brief Get current time
+     *
+     * @return Microseconds since UTC
+     */
+    std::chrono::microseconds getTime() const;
 };
 
 } // namespace time