make dim order test as default in xnnpack (#6104)

Summary:
Pull Request resolved: #6104

as title

Reviewed By: digantdesai, larryliu0820

Differential Revision: D64140903

fbshipit-source-id: 5bee92a3befce6c62982e8eedfd862ece0d7f5a7

Author: Gasoonjia

backends/xnnpack/utils/configs.py

@@ -13,7 +13,7 @@
 
 ### XNNPACK Configs ###
 def get_xnnpack_edge_compile_config(
-    skip_dim_order: bool = True,
+    skip_dim_order: bool = False,
 ) -> exir.EdgeCompileConfig:
     return exir.EdgeCompileConfig(
         _check_ir_validity=False, _skip_dim_order=skip_dim_order