Add first conv metadata for efficientformer_v2

timm/models/efficientformer_v2.py

@@ -653,7 +653,7 @@ def _cfg(url='', **kwargs):
         'num_classes': 1000, 'input_size': (3, 224, 224), 'pool_size': None, 'fixed_input_size': True,
         'crop_pct': .95, 'interpolation': 'bicubic',
         'mean': IMAGENET_DEFAULT_MEAN, 'std': IMAGENET_DEFAULT_STD,
-        'classifier': 'head',
+        'classifier': 'head', 'first_conv': 'stem.conv1.conv',
         **kwargs
     }