Fix tests to read warpSize from device props.

Change-Id: I9583577793afad49f9eb1ee9069bd4c6963a6023

hipamd/tests/src/deviceLib/hip_ballot.cpp

@@ -48,9 +48,11 @@ int main(int argc, char *argv[])
   hipDeviceProp_t devProp;
   hipGetDeviceProperties(&devProp, 0);
   
-  if(strncmp(devProp.name,"Fiji",1)==0)  
-  {warpSize = 64; pshift =6;}
-  else {warpSize =32; pshift =5;}
+  warpSize = devProp.warpSize;
+
+  int w = warpSize;
+  pshift = 0; 
+  while (w >>= 1) ++pshift;
   
   unsigned int Num_Threads_per_Block      = 512;
   unsigned int Num_Blocks_per_Grid        = 1;