Specify supported targets in README.md

README.md

@@ -38,7 +38,7 @@ Supported/tested GPU architectures:
 * Nvidia Quadro P1000
 * Nvidia GeForce GTX 1080
 
-It has not been tested on but is likely to support other CPU targets, and other GPUs supported by OpenCL such those by Intel, AMD, etc.
+HPVM has not been tested but is likely to work on other CPUs supported by LLVM Backend, and GPUs supported by OpenCL such as Intel, AMD, etc.
 
 
 ## Getting source code and building HPVM