SWDEV-511890 - Use max grid dim from device prop like block dim in checking for corner cases.

Change-Id: I557c70186b4a695b7c151952bf8cfd8dae54eb20

catch/unit/module/hipExtModuleLaunchKernel.cc

@@ -745,12 +745,15 @@ bool ModuleLaunchKernel::ExtModule_Corner_tests() {
   unsigned int maxblockX = deviceProp.maxThreadsDim[0];
   unsigned int maxblockY = deviceProp.maxThreadsDim[1];
   unsigned int maxblockZ = deviceProp.maxThreadsDim[2];
+  unsigned int maxgridX = deviceProp.maxGridSize[0];
+  unsigned int maxgridY = deviceProp.maxGridSize[1];
+  unsigned int maxgridZ = deviceProp.maxGridSize[2];
   struct gridblockDim test[6] = {{1, 1, 1, maxblockX, 1, 1},
                                  {1, 1, 1, 1, maxblockY, 1},
                                  {1, 1, 1, 1, 1, maxblockZ},
-                                 {UINT32_MAX, 1, 1, 1, 1, 1},
-                                 {1, UINT32_MAX, 1, 1, 1, 1},
-                                 {1, 1, UINT32_MAX, 1, 1, 1}};
+                                 {maxgridX, 1, 1, 1, 1, 1},
+                                 {1, maxgridY, 1, 1, 1, 1},
+                                 {1, 1, maxgridZ, 1, 1, 1}};
 
   for (int i = 0; i < 6; i++) {
     err = hipExtModuleLaunchKernel(DummyKernel,