Update to latest clang-format

Refer:https://github.com/openbmc/docs/blob/ac5d544553934f8083c61c5986a1420261bc8a4c/style/cpp/.clang-format

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I1e06864afc29ce7de463e62fa2a0eb6f70e8fd93
diff --git a/command_table.hpp b/command_table.hpp
index d65db12..295c659 100644
--- a/command_table.hpp
+++ b/command_table.hpp
@@ -15,8 +15,7 @@
 {
     static constexpr size_t lunBits = 2;
     CommandID(uint32_t command) : command(command)
-    {
-    }
+    {}
 
     uint8_t netFnLun() const
     {
@@ -115,12 +114,10 @@
 
 class Entry
 {
-
   public:
     Entry(CommandID command, session::Privilege privilege) :
         command(command), privilege(privilege)
-    {
-    }
+    {}
 
     /**
      * @brief Execute the command
@@ -172,14 +169,12 @@
  */
 class NetIpmidEntry final : public Entry
 {
-
   public:
     NetIpmidEntry(CommandID command, CommandFunctor functor,
                   session::Privilege privilege, bool sessionless) :
         Entry(command, privilege),
         functor(functor), sessionless(sessionless)
-    {
-    }
+    {}
 
     /**
      * @brief Execute the command
@@ -218,13 +213,11 @@
 {
   private:
     struct Private
-    {
-    };
+    {};
 
   public:
     explicit Table(const Private&)
-    {
-    }
+    {}
     Table() = delete;
     ~Table() = default;
     // Command Table is a singleton so copy, copy-assignment, move and