added yolo11 support

ultralytics/engine/exporter.py

@@ -1041,7 +1041,6 @@ class Exporter:
 
     @try_export
     def export_mct(self, prefix=colorstr("Sony MCT:")):
-        # pip install --upgrade -force-reinstall git+https://github.com/ambitious-octopus/model_optimization.git@get-output-fix
         check_requirements("mct-nightly")
         import model_compression_toolkit as mct
         import onnx
@@ -1102,6 +1101,7 @@ class Exporter:
         
         # Configure MCT manually for specific layers
         bit_cfg = BitWidthConfig()
+        if "C2f" in self.model.__str__(): # yolov8 model
             bit_cfg.set_manual_activation_bit_width(
                 [
                     NodeNameScopeFilter("mul"),
@@ -1111,6 +1111,12 @@ class Exporter:
                 ],
                 16,
             )
+        else: # yolo11 model
+            bit_cfg.set_manual_activation_bit_width(
+                [NodeNameScopeFilter("sub")],
+                16,
+            )
+            
 
         config = mct.core.CoreConfig(
             mixed_precision_config=mct.core.MixedPrecisionQuantizationConfig(num_of_images=10),