clang-format: update to latest from docs repo

Since `Cpp11` is an alias for `Latest` and we should tend towards using the
latest C++ standard, update the C++ standard to Latest.

https://github.com/llvm/llvm-project/commit/e5032567903de19962333c4bf7d2edceaf4f9824#diff-b49a097415dff2837d9626d422c58ba8R82
https://github.com/openbmc/docs/blob/master/style/cpp/.clang-format

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: Id5684236b64867ba631a3a00dadababe2c36db16
diff --git a/sysfs.hpp b/sysfs.hpp
index 290c97f..a8de9bd 100644
--- a/sysfs.hpp
+++ b/sysfs.hpp
@@ -25,8 +25,7 @@
 {
   public:
     SysfsLed(std::experimental::filesystem::path&& root) : root(std::move(root))
-    {
-    }
+    {}
     SysfsLed() = delete;
     SysfsLed(const SysfsLed& other) = delete;