SWDEV-286322 - clean up trailing white space

Change-Id: I01f3a559cbd1835aa2fdad7abe2bd685d90fc6a8

rocclr/device/pal/paltimestamp.cpp

@@ -17,7 +17,7 @@
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  THE SOFTWARE. */
- 
+
 #include "os/os.hpp"
 #include "platform/perfctr.hpp"
 #include "device/pal/paldefs.hpp"