build: update clang-format

Update to the latest OpenBMC clang-format.

Change-Id: I19424fe32f32900d21272e343a5bda8675edbe60
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/targeting.hpp b/targeting.hpp
index 9c63f6c..466cb7e 100644
--- a/targeting.hpp
+++ b/targeting.hpp
@@ -29,8 +29,7 @@
      */
     Target(size_t position, const std::string& devPath) :
         pos(position), cfamPath(devPath)
-    {
-    }
+    {}
 
     Target() = delete;
     ~Target() = default;
@@ -92,8 +91,7 @@
     Targeting(const std::string& fsiMasterDev, const std::string& fsiSlaveDir);
 
     Targeting() : Targeting(fsiMasterDevPath, fsiSlaveBaseDir)
-    {
-    }
+    {}
 
     ~Targeting() = default;
     Targeting(const Targeting&) = default;