EXSWHTEC-307 - Implement tests for printf and __hip_hc_<add/sub/mul>8pk device functions (#274)

Change-Id: I4669d3f0f8cc062e75cd2b0a8aeee51868dd5b09

catch/unit/printf/printfFlagsNonHost.cc

@@ -21,7 +21,7 @@ THE SOFTWARE.
 #include <hip_test_defgroups.hh>
 
 /**
-* @addtogroup printf
+* @addtogroup printf printf
 * @{
 * @ingroup PrintfTest
 * `int printf()` -