Add clang-format

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

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: Id0fcac058234d99d1a82673a217f30d58c616b2f
diff --git a/utility.hpp b/utility.hpp
index 7e2eaff..007ad37 100644
--- a/utility.hpp
+++ b/utility.hpp
@@ -4,6 +4,7 @@
 #include <gpioplus/handle.hpp>
 #include <gpioplus/utility/aspeed.hpp>
 #include <phosphor-logging/log.hpp>
+
 #include <exception>
 #include <string>
 
@@ -25,23 +26,22 @@
     {
         gpioOffset = gpioplus::utility::aspeed::nameToOffset(gpioName);
     }
-    catch(const std::logic_error& e)
+    catch (const std::logic_error& e)
     {
         phosphor::logging::log<phosphor::logging::level::ERR>(
-                            "Error in gpioplus - nameToOffset",
-                            phosphor::logging::entry("ERROR=%s", e.what()));
+            "Error in gpioplus - nameToOffset",
+            phosphor::logging::entry("ERROR=%s", e.what()));
         return false;
     }
 
     try
     {
-        //TODO: openbmc/phosphor-power-control#1 - Handle cases where gpiochip
-        //      could be non-zero.
+        // TODO: openbmc/phosphor-power-control#1 - Handle cases where gpiochip
+        //       could be non-zero.
         gpioplus::Chip chip(0);
         gpioplus::HandleFlags flags(chip.getLineInfo(gpioOffset).flags);
         flags.output = true;
-        gpioplus::Handle handle(chip, {{gpioOffset, 0}}, flags,
-                                "chassiskill");
+        gpioplus::Handle handle(chip, {{gpioOffset, 0}}, flags, "chassiskill");
 
         bool value = (asserted ^ activeLow);
         handle.setValues({value});
@@ -49,8 +49,8 @@
     catch (const std::exception& e)
     {
         phosphor::logging::log<phosphor::logging::level::ERR>(
-                            "Error in gpioplus",
-                            phosphor::logging::entry("ERROR=%s", e.what()));
+            "Error in gpioplus",
+            phosphor::logging::entry("ERROR=%s", e.what()));
         return false;
     }