Adding an initial Readme file

Change-Id: I4eccb10383c555c88adf30fb695b41be3f869dc5

opencl/README.md

@@ -0,0 +1,18 @@
+# ROCm OpenCL™ Runtime 
+
+Please build/install ROCclr first.
+
+  Please view build steps here:
+  https://github.com/ROCm-Developer-Tools/ROCclr
+
+## Building OpenCL
+
+cd $OPENCL_DIR
+
+mkdir -p build; cd build
+
+cmake -DVDI_DIR="$VDI_DIR" -DLIBVDI_STATIC_DIR="$VDI_DIR/build" ..
+
+make
+
+