Switch clang-format to 6.0

Change-Id: Id96d1f47fb3d479d10d1022f1259dc030a148192
Signed-off-by: Artur Harasimiuk <artur.harasimiuk@intel.com>

runtime/utilities/linux/timer_util.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, Intel Corporation
+ * Copyright (c) 2017 - 2018, Intel Corporation
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -108,4 +108,4 @@ Timer &Timer::operator=(const Timer &t) {
 void Timer::setFreq() {
     TimerImpl::setFreq();
 }
-};
+}; // namespace OCLRT