Command scripts for latency measurements

Change-Id: I8c28765a09fb0358447367939de524b12699a317

samples/1_Utils/hipCommander/perf/scripts/latency_kernel.hcm

@@ -0,0 +1,10 @@
+setstream(1);
+loop(10); NullKernel; streamsync; endloop(1);
+loop(10); NullKernel; streamsync; endloop(1);
+loop(100); NullKernel; streamsync; endloop(1);
+loop(100); NullKernel; streamsync; endloop(1);
+loop(1000); NullKernel; streamsync; endloop(1);
+loop(1000); NullKernel; streamsync; endloop(1);
+loop(1000); NullKernel; streamsync; endloop(1);
+loop(10000); NullKernel; streamsync; endloop(1);
+loop(10000); NullKernel; streamsync; endloop(1);