1.Rename include/hip/hcc_detail/ as include/hip/amd_detail/
2.Rename include/hip/nvcc_detail/ as include/hip/nvidia_detail/
3.Create __HIP_PLATFORM_AMD__ to replace __HIP_PLATFORM_HCC__
4.Create __HIP_PLATFORM_NVIDIA__ to replace __HIP_PLATFORM_NVCC__
After hcc_detail, nvcc_detail, __HIP_PLATFORM_HCC__ and __HIP_PLATFORM_NVCC__
have been removed from upstream, they will be removed from hip runtime.
Change-Id: I1ae457effd739d6c25bca203c1724b026be21fce
hipChannelFormatDesc contains size of each channel in bits. There's 8 bits per byte, not 4, so we should divide by 8.
Change-Id: I38ae2d28ad54740823c98908ca2afecad0ba0183