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: Id6760866dedbaeafd83ea8ef2e0303e30b8955aa
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/i2c_occ.cpp b/i2c_occ.cpp
index 00e4187..1c1a9ff 100644
--- a/i2c_occ.cpp
+++ b/i2c_occ.cpp
@@ -1,10 +1,11 @@
+#include "config.h"
+
+#include "i2c_occ.hpp"
+
 #include <algorithm>
 #include <cassert>
 #include <fstream>
 
-#include "config.h"
-#include "i2c_occ.hpp"
-
 #ifdef I2C_OCC
 
 namespace i2c_occ
@@ -20,8 +21,8 @@
 constexpr auto OCC_NAME_LENGTH = 3;
 
 // static assert to make sure the i2c occ device name is expected
-static_assert(sizeof(I2C_OCC_DEVICE_NAME) -1 == DEVICE_NAME_LENGTH);
-static_assert(sizeof(OCC_NAME) -1 == OCC_NAME_LENGTH);
+static_assert(sizeof(I2C_OCC_DEVICE_NAME) - 1 == DEVICE_NAME_LENGTH);
+static_assert(sizeof(OCC_NAME) - 1 == OCC_NAME_LENGTH);
 
 static bool isMasterOcc(const fs::directory_entry& p)
 {
@@ -48,7 +49,7 @@
 
     if (fs::is_directory(path))
     {
-        for (auto & p : fs::directory_iterator(path))
+        for (auto& p : fs::directory_iterator(path))
         {
             // Check if a device's name is "p8-occ-hwmon"
             auto f = p / "name";
@@ -102,4 +103,3 @@
 } // namespace i2c_occ
 
 #endif
-