[llvm] [WebAssembly] [Codegen] Add pattern for relaxed min max from fminimum/fmaximum over v4f32 and v2f64 (PR #162948)

[Jasmine Tang via llvm-commits]

badumbatish wrote:

> ered to a `select` with `fcmp olt/ogt`. There are already some patterns, somewhere in this file, which use pmin/max for those. Would you mind adding similar patterns for these relaxed instructions?

yep let me open up another PR for those

https://github.com/llvm/llvm-project/pull/162948