Add kernel and kernel writer skeletons

* Add the skeleton for kernel, kernel writer and their respective
  OpenCL implementation.
* Add method to write code comment and its test.

Resolves: COMPMID-6343
Signed-off-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Change-Id: Ib986228154f7a00da7a5fd3b7105941325fe13b1
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/9889
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gunes Bayir <gunes.bayir@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
diff --git a/compute_kernel_writer/validation/Validation.cpp b/compute_kernel_writer/validation/Validation.cpp
index 16c0d76..c0bdaaa 100644
--- a/compute_kernel_writer/validation/Validation.cpp
+++ b/compute_kernel_writer/validation/Validation.cpp
@@ -26,6 +26,7 @@
 #include "tests/CLTileTest.hpp"
 #include "tests/TensorBitMaskTest.hpp"
 #include "tests/UtilsTest.hpp"
+#include "tests/CLKernelWriterTest.h"
 
 #include <memory>
 #include <vector>
@@ -59,6 +60,7 @@
     const auto test12 = std::make_unique<CLConstantTileAccessScalarVariableBroadcastYTest>();
     const auto test13 = std::make_unique<CLConstantTileAccessVectorVariablesTest>();
     const auto test14 = std::make_unique<CLConstantTileAccessSubVectorVariablesTest>();
+    const auto test15 = std::make_unique<CLKernelWriterCommentTest>();
 
     tests.push_back(test3.get());
     tests.push_back(test4.get());
@@ -72,6 +74,7 @@
     tests.push_back(test12.get());
     tests.push_back(test13.get());
     tests.push_back(test14.get());
+    tests.push_back(test15.get());
 #endif /* COMPUTE_KERNEL_WRITER_OPENCL_ENABLED */
 
     bool all_test_passed = true;