Add cublasmp

[carterbox]

This is a retry of #26580 which failed probably due to a bug in conda-build https://github.com/conda-forge/staged-recipes/issues/27551 .

[conda-forge-webservices[bot]]

Hi! This is the friendly automated conda-forge-linting service.

I wanted to let you know that I linted all conda-recipes in your PR (recipes/cublasmp/meta.yaml, recipes/libcal/meta.yaml, recipes/libcublasmp/meta.yaml) and found some lint.

Here's what I've got...

For recipes/cublasmp/meta.yaml:

• The following maintainers have not yet confirmed that they are willing to be listed here: conda-forge/cuda. Please ask them to comment on this PR if they are.

For recipes/libcal/meta.yaml:

• The following maintainers have not yet confirmed that they are willing to be listed here: conda-forge/cuda. Please ask them to comment on this PR if they are.

For recipes/libcublasmp/meta.yaml:

• The following maintainers have not yet confirmed that they are willing to be listed here: conda-forge/cuda. Please ask them to comment on this PR if they are.