SWDEV-393746 - Fix HIP sample failures-21, 22, 23 (#331)

Change-Id: Id839cf24ba5f16897428b19c0299ea781a5a6d09

samples/2_Cookbook/21_cmake_hip_cxx_clang/README.md

@@ -1,15 +1,18 @@
 ### This sample tests CXX Language support with amdclang++
 I. Build
+
+```
 mkdir -p build; cd build
 rm -rf *;
-CXX=`hipconfig -l`/amdclang++ cmake .. (or)
-cmake -DCMAKE_CXX_COMPILER=/opt/rocm/bin/amdclang++ .. (or)
-cmake -DCMAKE_CXX_COMPILER=/opt/rocm-X.Y.Z/llvm/bin/amdclang++ ..
+CXX="$(hipconfig -l)"/amdclang++ cmake -DCMAKE_PREFIX_PATH=/opt/rocm ..
 make
+```
 
 II. Test
+
+```
 $ ./square
-info: running on device Vega 20 [Radeon Pro Vega 20]
+info: running on device AMD Radeon Graphics
 info: allocate host mem (  7.63 MB)
 info: allocate device mem (  7.63 MB)
 info: copy Host2Device
@@ -17,3 +20,4 @@ info: launch 'vector_square' kernel
 info: copy Device2Host
 info: check result
 PASSED!
+```

samples/2_Cookbook/22_cmake_hip_lang/README.md

@@ -1,10 +1,16 @@
 ### This will test HIP language support in upstream CMake
 I. Build
+
+```
 mkdir -p build; cd build
-rm -rf *; cmake -DCMAKE_PREFIX_PATH=/opt/rocm/ ..
+rm -rf *;
+cmake -DCMAKE_PREFIX_PATH=/opt/rocm ..
 make
+```
 
 II. Test
+
+```
 $ ./square
 info: running on device
 info: allocate host mem (  7.63 MB)
@@ -14,3 +20,4 @@ info: launch 'vector_square' kernel
 info: copy Device2Host
 info: check result
 PASSED!
+```

samples/2_Cookbook/23_cmake_hiprtc/README.md

@@ -1,9 +1,16 @@
 ### This will test linking hiprtc::hiprtc interface in cmake
 I. Build
+
+```
 mkdir -p build; cd build
-rm -rf *; CXX=amdclang++ cmake -DCMAKE_PREFIX_PATH=/opt/rocm/hip ..
+rm -rf *;
+CXX="$(hipconfig -l)"/amdclang++ cmake -DCMAKE_PREFIX_PATH=/opt/rocm ..
 make
+```
 
 II. Test
+
+```
 $ ./test
 SAXPY test completed
+```