Merge pull request opencv#26053 from alexlyulkov:al/opencl-conformance-tests

DNN(ONNX): Enabled several OpenCL conformance tests opencv#26053

The tests also work in 5.x

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [ ] There is a reference to the original bug report and related work
- [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [x] The feature is well documented and sample code can be built with the project CMake

Author: alexlyulkov

modules/dnn/test/test_onnx_conformance_layer_filter_opencv_ocl_fp16_denylist.inl.hpp

@@ -2,33 +2,16 @@
 "test_dequantizelinear",
 "test_dequantizelinear_axis",
 "test_dequantizelinear_blocked",
-"test_dropout_default_ratio",
-"test_globalmaxpool",
-"test_globalmaxpool_precomputed",
 "test_logsoftmax_large_number",
 "test_logsoftmax_large_number_expanded",
-"test_maxpool_1d_default",
-"test_maxpool_2d_ceil",
-"test_maxpool_2d_default",
-"test_maxpool_2d_pads",
-"test_maxpool_2d_precomputed_pads",
-"test_maxpool_2d_precomputed_same_upper",
-"test_maxpool_2d_precomputed_strides",
-"test_maxpool_2d_same_upper",
-"test_maxpool_2d_strides",
 "test_maxpool_3d_default",
 "test_pow",
 "test_quantizelinear",
 "test_quantizelinear_axis",
 "test_quantizelinear_blocked",
 "test_softmax_large_number",
 "test_softmax_large_number_expanded",
-"test_split_equal_parts_1d",
-"test_split_equal_parts_2d",
-"test_split_equal_parts_default_axis",
 "test_tan",
-"test_reduce_l2_default_axes_keepdims_example", // Expected: (normL1) <= (l1), actual: 0.00490189 vs 0.004
-"test_reduce_log_sum_exp_default_axes_keepdims_example", // Expected: (normL1) <= (l1), actual: 0.00671387 vs 0.004
 "test_reduce_prod_default_axes_keepdims_example", // Expected: (normL1) <= (l1), actual: inf vs 0.004
 "test_reduce_prod_default_axes_keepdims_random", // Expected: (normL1) <= (l1), actual: 18.6621 vs 0.004, Expected: (normInf) <= (lInf), actual: 18.6621 vs 0.02
 "test_reduce_prod_do_not_keepdims_random", // Expected: (normL1) <= (l1), actual: 0.00436729 vs 0.004, Expected: (normInf) <= (lInf), actual: 0.0201836 vs 0.02
@@ -38,16 +21,3 @@
 "test_reduce_sum_square_do_not_keepdims_random", // Expected: (normL1) <= (l1), actual: 0.010789 vs 0.004, Expected: (normInf) <= (lInf), actual: 0.0290298 vs 0.02
 "test_reduce_sum_square_keepdims_random", // Expected: (normL1) <= (l1), actual: 0.010789 vs 0.004, Expected: (normInf) <= (lInf), actual: 0.0290298 vs 0.02
 "test_reduce_sum_square_negative_axes_keepdims_random", // Expected: (normL1) <= (l1), actual: 0.010789 vs 0.004, Expected: (normInf) <= (lInf), actual: 0.0290298 vs 0.02
-"test_scatter_elements_with_axis",
-"test_scatter_elements_with_duplicate_indices",
-"test_scatter_elements_with_negative_indices",
-"test_scatter_elements_with_reduction_max",
-"test_scatter_elements_with_reduction_min",
-"test_scatter_elements_without_axis",
-"test_scatter_with_axis",
-"test_scatter_without_axis",
-"test_scatternd",
-"test_scatternd_add",
-"test_scatternd_max",
-"test_scatternd_min",
-"test_scatternd_multiply",

modules/dnn/test/test_onnx_conformance_layer_filter_opencv_ocl_fp32_denylist.inl.hpp

@@ -6,16 +6,3 @@
 "test_quantizelinear",
 "test_quantizelinear_axis",
 "test_quantizelinear_blocked",
-"test_scatter_elements_with_axis",
-"test_scatter_elements_with_duplicate_indices",
-"test_scatter_elements_with_negative_indices",
-"test_scatter_elements_with_reduction_max",
-"test_scatter_elements_with_reduction_min",
-"test_scatter_elements_without_axis",
-"test_scatter_with_axis",
-"test_scatter_without_axis",
-"test_scatternd",
-"test_scatternd_add",
-"test_scatternd_max",
-"test_scatternd_min",
-"test_scatternd_multiply",