[ExternalInterfaces] Fix LinalgExtFusionInterface registeration (#20244)

addExtension adds a dialect dependency on the dialect passed as an
argument. If LinalgExtDialect is never registered, we would never
register LinalgExtFusionInterface for linalg ops.

Signed-off-by: Elias Joseph <[email protected]>

Author: Groverkss

compiler/src/iree/compiler/ExternalInterfaces/LinalgExtExternalModels.cpp

@@ -123,10 +123,7 @@ void registerOpsWithLinalgExtOpInterface(mlir::MLIRContext *context) {
 } // namespace
 
 void registerLinalgExtExternalModels(DialectRegistry &registry) {
-  registry.addExtension(+[](MLIRContext *ctx,
-                            IREE::LinalgExt::IREELinalgExtDialect *dialect) {
-    ctx->loadDialect<mlir::linalg::LinalgDialect>();
-
+  registry.addExtension(+[](MLIRContext *ctx, linalg::LinalgDialect *dialect) {
 #define GET_OP_LIST
     registerOpsWithLinalgExtOpInterface<
 #include "mlir/Dialect/Linalg/IR/LinalgStructuredOps.cpp.inc"