GPU Recipe for 1.5.0 on linux_64

[tonyng1707]

@jjhelmus @nehaljwani I would like to build a Conda package on MXNet 1.5.0 for GPU. Can I do that? Could you guys give me guidance to achieve this? Thanks

[jjhelmus]

@tonyng1707 You can try building a CPU variant, since I have not tried I do not know what issues you will run into and cannot offer support or help debugging problems you might have.

To start you would set the gpu_openblas or gpu_mkl variant in the conda_build_config.yaml file in the root directory of this repository. Then follow the build order specified in the READMD.md file.