Update clang-format

refer: https://github.com/openbmc/docs/blob/master/style/cpp/.clang-format

Tested: built openpower-occ-control successfully.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I136870023229ff906d471dd4d8debfd404812ff1
diff --git a/elog-errors.hpp b/elog-errors.hpp
index 6f87a57..7c937a5 100644
--- a/elog-errors.hpp
+++ b/elog-errors.hpp
@@ -5,6 +5,7 @@
 #include <phosphor-logging/elog.hpp>
 #include <phosphor-logging/log.hpp>
 #include <sdbusplus/exception.hpp>
+
 #include <string>
 #include <tuple>
 #include <type_traits>
@@ -375,9 +376,7 @@
 namespace Host
 {
 namespace _CommandNotSupported
-{
-
-} // namespace _CommandNotSupported
+{} // namespace _CommandNotSupported
 
 struct CommandNotSupported
 {
@@ -452,9 +451,7 @@
 namespace Common
 {
 namespace _InternalFailure
-{
-
-} // namespace _InternalFailure
+{} // namespace _InternalFailure
 
 struct InternalFailure
 {
@@ -1122,9 +1119,7 @@
 namespace Host
 {
 namespace _SoftOffTimeout
-{
-
-} // namespace _SoftOffTimeout
+{} // namespace _SoftOffTimeout
 
 struct SoftOffTimeout
 {
@@ -1160,9 +1155,7 @@
 namespace Device
 {
 namespace _WriteFailure
-{
-
-} // namespace _WriteFailure
+{} // namespace _WriteFailure
 
 struct WriteFailure
 {
@@ -1200,9 +1193,7 @@
 namespace Device
 {
 namespace _OpenFailure
-{
-
-} // namespace _OpenFailure
+{} // namespace _OpenFailure
 
 struct OpenFailure
 {
@@ -1240,9 +1231,7 @@
 namespace Device
 {
 namespace _ReadFailure
-{
-
-} // namespace _ReadFailure
+{} // namespace _ReadFailure
 
 struct ReadFailure
 {
@@ -1280,9 +1269,7 @@
 namespace Device
 {
 namespace _WriteFailure
-{
-
-} // namespace _WriteFailure
+{} // namespace _WriteFailure
 
 struct WriteFailure
 {
@@ -1320,9 +1307,7 @@
 namespace Device
 {
 namespace _ConfigFailure
-{
-
-} // namespace _ConfigFailure
+{} // namespace _ConfigFailure
 
 struct ConfigFailure
 {
@@ -1360,9 +1345,7 @@
 namespace Device
 {
 namespace _ReadFailure
-{
-
-} // namespace _ReadFailure
+{} // namespace _ReadFailure
 
 struct ReadFailure
 {