[SYCL] support OPs: conv_2d, conv_2d_dw, conv2d_transpose (#24600)

* fix conflict

* fix format issue, rename

* rm debug code

* correct the file name

ggml/src/ggml-sycl/conv2d.hpp

@@ -0,0 +1,10 @@
+#ifndef GGML_SYCL_CONV2D_HPP
+#define GGML_SYCL_CONV2D_HPP
+
+#include "common.hpp"
+
+#define SYCL_CONV2D_BLOCK_SIZE 256
+
+void ggml_sycl_op_conv2d(ggml_backend_sycl_context & ctx, ggml_tensor * dst);
+
+#endif // GGML_SYCL_CONV2D_HPP