style: update clang-format

Pull the most recent OpenBMC style rules and run clang-format.

Change-Id: Ifecce87b6aa64a2800dab3ba1e09ae415accb548
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/ubi/watch.hpp b/ubi/watch.hpp
index 2e0ec17..2628e93 100644
--- a/ubi/watch.hpp
+++ b/ubi/watch.hpp
@@ -42,8 +42,7 @@
      *  @param[in] fd - File descriptor
      */
     explicit CustomFd(int fd) : fd(fd)
-    {
-    }
+    {}
 
     ~CustomFd()
     {