GPU-STREAM git repo is out of date.

[damora]

GPU-STREAM code is using a deprecated version of hipLaunchKernel error: no matching function for call to 'hipLaunchKernel' hipLaunchKernel(HIP_KERNEL_NAME(triad_kernel), dim3(array_size/TBSIZE), dim3(TBSIZE), 0, 0, d_a, d_b, d_c);