clang-format: update latest spec and reformat

Copy the latest format file from the docs repository and apply.

Change-Id: Ie32798cbf7083f3e59a4f36ff9459bb737c97476
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/gpio_handle.hpp b/gpio_handle.hpp
index 924efe8..e9c9454 100644
--- a/gpio_handle.hpp
+++ b/gpio_handle.hpp
@@ -15,7 +15,7 @@
  * @param[in] line - gpio line offset as string.
  * @return A gpioplus::HandleInterface on success nullptr on failure.
  */
-std::unique_ptr<gpioplus::HandleInterface>
-    BuildGpioHandle(const std::string& gpiochip, const std::string& line);
+std::unique_ptr<gpioplus::HandleInterface> BuildGpioHandle(
+    const std::string& gpiochip, const std::string& line);
 
 } // namespace gpio