clang-format: update latest spec and reformat

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

Change-Id: I8bc99b559079b8454b11bff0be5ddfb6e55e71ba
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/phosphor-power-supply/util.cpp b/phosphor-power-supply/util.cpp
index 8fe4e23..54f6eb7 100644
--- a/phosphor-power-supply/util.cpp
+++ b/phosphor-power-supply/util.cpp
@@ -28,8 +28,8 @@
     }
 }
 
-std::unique_ptr<GPIOInterfaceBase>
-    GPIOInterface::createGPIO(const std::string& namedGpio)
+std::unique_ptr<GPIOInterfaceBase> GPIOInterface::createGPIO(
+    const std::string& namedGpio)
 {
     return std::make_unique<GPIOInterface>(namedGpio);
 }