[Mlir-commits] [mlir] [mlir][sme] Update docs (PR #74527)

[Benjamin Maxwell]

https://github.com/MacDue approved this pull request.

Commit/PR tile nit:  `ArmSME` not just `sme` (`[mlir][ArmSME] Update docs`)

LGTM, just a few nits:


https://github.com/llvm/llvm-project/pull/74527