[FIX] nchw_pooling dense fix

Author: alexey-varyzgin

src/cpu/nchw_pooling.hpp

@@ -51,6 +51,9 @@ struct nchw_pooling_fwd_t : public primitive_t {
                             alg_kind::pooling_avg_include_padding,
                             alg_kind::pooling_avg_exclude_padding),
                     VERBOSE_BAD_ALGORITHM);
+            VDISPATCH_POOLING(
+                    memory_desc_wrapper(dst_md()).is_dense(false),
+                    VERBOSE_UNSUPPORTED_SPARSE_CFG);
             VDISPATCH_POOLING(utils::everyone_is(d_type, src_md()->data_type,
                                       dst_md()->data_type),
                     VERBOSE_UNSUPPORTED_DT);