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-sequencer/src/pmbus_driver_device.hpp b/phosphor-power-sequencer/src/pmbus_driver_device.hpp
index c8754db..6823907 100644
--- a/phosphor-power-sequencer/src/pmbus_driver_device.hpp
+++ b/phosphor-power-sequencer/src/pmbus_driver_device.hpp
@@ -218,8 +218,8 @@
      * @param fileName voltage label file within the sysfs hwmon directory
      * @return PMBus page number
      */
-    virtual std::optional<uint8_t>
-        readPageFromLabelFile(const std::string& fileName);
+    virtual std::optional<uint8_t> readPageFromLabelFile(
+        const std::string& fileName);
 
     /**
      * I2C bus for the device.