message: [Linalg] Update/fix documentation for linalg.indexed_generic.
diff: @@ -567,8 +567,8 @@ def IndexedGenericOp : GenericOpBase<"indexed_generic"> {
  To support inplace updates in a generic fashion, the signature of the
  function must be:
  ```
  - fun([input views element types], [output views element types])
  - -> ([output views element types])
  + fun([index types for induction variables], [input views element types],
  + [output views element types]) -> ([output views element types])
  ```
  - indexing_maps: a list of AffineMapAttr, one AffineMapAttr per each input
  and output view. Such AffineMapAttr specifies the mapping between the
  @@ -587,7 +587,7 @@ def IndexedGenericOp : GenericOpBase<"indexed_generic"> {
  Example:
  Defining a #matmul_trait attribute in MLIR can be done as follows:
  ```mlir
  - func @fma(%a: f32, %b: f32, %c: f32) -> f32 {
  + func @fma(%i: index, %j: index, %k: index, %a: f32, %b: f32, %c: f32) -> f32 {
  %d = mulf %a, %b: f32
  %e = addf %c, %d: f32
  return %e: f32
  