SWDEV-403479 - [catch2][dtest] Adding Buffered compiler option to Existing Printf Tests

Change-Id: I4fc422bd7d5ee1896743978fe078ac3f8d57e319


[ROCm/hip-tests commit: 654e9d9200]

projects/hip-tests/catch/include/hip_test_defgroups.hh

@@ -142,3 +142,10 @@ THE SOFTWARE.
  * This section describes tests for the Vector type functions and operators.
  * @}
  */
+
+/**
+ * @defgroup PrintfTest Printf API Management
+ * @{
+ * This section describes the various Printf use case Scenarios.
+ * @}
+ */