[mlir][sparse] update COO buffer reader doc (#69664)

    StridedMemRefType<index_type, 1> *out, void *p);

/// Reads the sparse tensor, stores the coordinates and values to the given

/// memrefs. Returns a boolean to indicate whether the COO elements are sorted.

#define DECL_GETNEXT(VNAME, V, CNAME, C)                                       \

/// memrefs of a COO in AoS format. Returns a boolean to indicate whether

/// the COO elements are sorted.

#define DECL_READTOBUFFERS(VNAME, V, CNAME, C)                                 \

  MLIR_CRUNNERUTILS_EXPORT bool                                                \

      _mlir_ciface_getSparseTensorReaderReadToBuffers##CNAME##VNAME(           \

          void *p, StridedMemRefType<index_type, 1> *dim2lvlRef,               \

          StridedMemRefType<index_type, 1> *lvl2dimRef,                        \

          StridedMemRefType<C, 1> *cref, StridedMemRefType<V, 1> *vref)        \

          MLIR_SPARSETENSOR_FOREVERY_V_O(DECL_GETNEXT)

#undef DECL_GETNEXT

          MLIR_SPARSETENSOR_FOREVERY_V_O(DECL_READTOBUFFERS)

#undef DECL_READTOBUFFERS

/// Outputs the sparse tensor dim-rank, nse, and dim-shape.

MLIR_CRUNNERUTILS_EXPORT void _mlir_ciface_outSparseTensorWriterMetaData(