Added HIP definition for cudaMemcpyDeviceToDevice.
Added HIP definition for cudaMemcpyDeviceToDevice.

cholla-hydro/cholla,evaneschneider/cholla,cholla-hydro/cholla,evaneschneider/cholla,cholla-hydro/cholla,evaneschneider/cholla,evaneschneider/cholla,cholla-hydro/cholla