SWDEV-295144 - Change uint64_t to size_t to fix failure on 32-bit opencl.
SWDEV-295144 - Change uint64_t to size_t to fix failure on 32-bit opencl.

Change-Id: I5c28e9c606dec1c956f3f48071d8a0271adfff22

ROCm-Developer-Tools/ROCclr,ROCm-Developer-Tools/ROCclr