Update to clang format

Updated clang format file and modified code to follow it.

Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
Change-Id: I65e624373c58aaa18a93400b21d109ef07d38ba8
diff --git a/i2c/inc/i2c.hpp b/i2c/inc/i2c.hpp
index 0aa3a52..e851194 100644
--- a/i2c/inc/i2c.hpp
+++ b/i2c/inc/i2c.hpp
@@ -17,7 +17,8 @@
 #pragma once
 #include <cstdint>
 
-extern "C" {
+extern "C"
+{
 #include <i2c/smbus.h>
 #include <linux/i2c-dev.h>
 }