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

Change-Id: I4669d3f0f8cc062e75cd2b0a8aeee51868dd5b09

catch/unit/printf/printfHost.cc

@@ -26,7 +26,7 @@ __global__ void run_printf(int *count) {
   *count = printf("Hello World");
 }
 /**
-* @addtogroup printf
+* @addtogroup printf printf
 * @{
 * @ingroup PrintfTest
 * `int printf()` -