Make samples support cmake

Only cmake can support static lib of hip rt.
Thus samples will support static lib of hip
rt when this is done.

Change-Id: I70e8d06e85084369a035b42c5d1d56287c874ac9

samples/README.md

@@ -0,0 +1,27 @@
+Build procedure
+
+We provide Makefile and CMakeLists.txt to build the samples seperately.
+
+1.Makefile supports shared lib of hip-rocclr runtime and nvcc.
+
+To build a sample, just type in sample folder,
+
+make
+
+
+
+2.CMakeLists.txt can support shared and static libs of hip-rocclr runtime.
+
+To build a sample, type in sample folder,
+
+mkdir build (if build folder is missing)
+
+cd build
+
+cmake ..
+
+make
+
+If you want debug version, follow,
+
+cmake -DCMAKE_BUILD_TYPE=Debug ..