EXSWCPHIPT-42 - Add HIP RTC support to the test framework (#2719)

* EXSWCPHIPT-42 - Add HIP RTC support to the test framework
* Removed ifdef from hipTestContext class

catch/kernels/Set.cpp

@@ -0,0 +1,6 @@
+#include <kernels.hh>
+
+__global__ void Set(int* Ad, int val) {
+    int tx = threadIdx.x + blockIdx.x * blockDim.x;
+    Ad[tx] = val;
+}