SWDEV-436821 Update hip samples Readme files

Change-Id: I6bf3a72eac4a4242cb2dbf4e6eee73e0e1bef2ef

samples/2_Cookbook/13_occupancy/Readme.md

@@ -0,0 +1,24 @@
+# occupancy
+
+- Build the sample using cmake
+```
+$ mkdir build; cd build
+$ cmake .. -DCMAKE_PREFIX_PATH=/opt/rocm
+$ make
+```
+- Execute the sample
+```
+$ ./occupancy
+Manual Configuration with block size 32
+kernel Execution time =  0.433ms
+Theoretical Occupancy is 40%
+
+Automatic Configuation based on hipOccupancyMaxPotentialBlockSize
+Suggested blocksize is 1024, Minimum gridsize is 128
+kernel Execution time =  0.037ms
+Theoretical Occupancy is 80%
+
+Manual Test PASSED!
+
+Automatic Test PASSED!
+```