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

[Benjamin Maxwell]

================
@@ -1,13 +1,28 @@
 # 'ArmSME' Dialect
 
-[TOC]
+Basic dialect to target Arm SME.
+
+This dialect defines custom and LLVM IR intrinsic operations that are used to
+target Arm Scalable Matrix Extension. Through the available lowerings one can,
----------------
MacDue wrote:

nit: Maybe just say passes? I'm not sure if `-allocate-arm-sme-tiles` is a lowering, but it is used to target SME
```suggestion
target Arm Scalable Matrix Extension. Through the available conversion and ArmSME passes one can,
```


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