ggml : WebGPU add TRANSPOSE and RESHAPE to supported ops (#15695)

* ggml : WebGPU add TRANSPOSE and RESHAPE to supported ops

This commit adds support for the TRANSPOSE and RESHAPE operations in the
ggml webgpu backend.

Co-authored-by: Diego Devesa <slarengh@gmail.com>
Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

ggml/src/ggml-webgpu/ggml-webgpu.cpp

@@ -611,6 +611,8 @@ static bool ggml_webgpu_encode_node(webgpu_context ctx, ggml_tensor * node) {
         case GGML_OP_NONE:
         case GGML_OP_VIEW:
         case GGML_OP_PERMUTE:
+        case GGML_OP_TRANSPOSE:
+        case GGML_OP_RESHAPE:
             return false;
         case GGML_OP_CPY:
             {
@@ -1062,6 +1064,8 @@ static bool ggml_backend_webgpu_device_supports_op(ggml_backend_dev_t dev, const
         case GGML_OP_NONE:
         case GGML_OP_VIEW:
         case GGML_OP_PERMUTE:
+        case GGML_OP_TRANSPOSE:
+        case GGML_OP_RESHAPE:
             return true;
         case GGML_OP_CPY:
         case GGML_OP_SET_ROWS: