Update README.md

Author: RichardGe

hiprt/README.md

@@ -1 +1,15 @@
 **This repository is only for tutorials. The SDK binaries needs to be downloaded from [HIP RT project page](https://gpuopen.com/hiprt/).**
+
+Download and extract the binaries so that the file/folder structure inside this 'hiprt' folder looks like:
+```
+linux64/
+win/
+hiprt_common.h
+hiprt_device.h
+hiprt_libpath.h
+hiprt_math.h
+hiprt_types.h
+hiprt_vec.h
+hiprt.h
+hiprtew.h
+```