[Roofline] Add fma (non-tensorcore) peak flops for CUDA

[tkonolige]

Compute peak flops using fma instructions on CUDA targets. Supports arbitrary datatypes.

[tvm-bot]

Thanks for contributing to TVM! Please refer to the contributing guidelines https://tvm.apache.org/docs/contribute/ for useful information and tips. Please request code reviews from Reviewers by @-ing them in a comment.

• No users to tag found in teams: roofline _{See #10317 for details}
• Built docs for commit 5b5f025 can be found here.

_{Generated by tvm-bot}

[tvm-bot]

Thanks for contributing to TVM! Please refer to the contributing guidelines https://tvm.apache.org/docs/contribute/ for useful information and tips. Please request code reviews from Reviewers by @-ing them in a comment.

• No users to tag found in teams: roofline _{See #10317 for details}

_{Generated by tvm-bot}