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/test/test_config_parser.cpp b/test/test_config_parser.cpp
index 1c902d2..99effad 100644
--- a/test/test_config_parser.cpp
+++ b/test/test_config_parser.cpp
@@ -1,14 +1,14 @@
-#include <gtest/gtest.h>
+#include "config.h"
 
 #include "config_parser.hpp"
-
 #include "xyz/openbmc_project/Common/error.hpp"
-#include <phosphor-logging/elog-errors.hpp>
 
-#include "config.h"
 #include <exception>
-#include <stdexcept>
 #include <fstream>
+#include <phosphor-logging/elog-errors.hpp>
+#include <stdexcept>
+
+#include <gtest/gtest.h>
 
 namespace phosphor
 {
@@ -17,31 +17,31 @@
 
 class TestConfigParser : public testing::Test
 {
-    public:
-        config::Parser parser;
-        TestConfigParser()
-        {
-            remove("/tmp/eth0.network");
-            std::ofstream filestream("/tmp/eth0.network");
+  public:
+    config::Parser parser;
+    TestConfigParser()
+    {
+        remove("/tmp/eth0.network");
+        std::ofstream filestream("/tmp/eth0.network");
 
-            filestream << "[Match]\nName=eth0\n" <<
-                          "[Network]\nDHCP=true\n[DHCP]\nClientIdentifier= mac\n";
-            filestream.close();
-            parser.setFile("/tmp/eth0.network");
-        }
+        filestream << "[Match]\nName=eth0\n"
+                   << "[Network]\nDHCP=true\n[DHCP]\nClientIdentifier= mac\n";
+        filestream.close();
+        parser.setFile("/tmp/eth0.network");
+    }
 
-        bool isValueFound(const std::vector<std::string>& values,
-                          const std::string& expectedValue)
+    bool isValueFound(const std::vector<std::string>& values,
+                      const std::string& expectedValue)
+    {
+        for (const auto& value : values)
         {
-            for (const auto& value : values)
+            if (expectedValue == value)
             {
-                if (expectedValue == value)
-                {
-                    return  true;
-                }
+                return true;
             }
-            return false;
         }
+        return false;
+    }
 };
 
 TEST_F(TestConfigParser, ReadConfigDataFromFile)
@@ -82,5 +82,5 @@
     remove("/tmp/eth0.network");
 }
 
-}//namespace network
-}//namespace phosphor
+} // namespace network
+} // namespace phosphor