Add note about possibility of skipping AWQ

Author: nikita-savelyevv

optimum/commands/export/openvino.py

@@ -135,7 +135,9 @@ def parse_args_openvino(parser: "ArgumentParser"):
         default=None,
         help=(
             "Whether to apply AWQ algorithm. AWQ improves generation quality of INT4-compressed LLMs, but requires "
-            "additional time for tuning weights on a calibration dataset. To run AWQ, please also provide a dataset."
+            "additional time for tuning weights on a calibration dataset. To run AWQ, please also provide a dataset "
+            "argument. Note: it's possible that there will be no matching patterns in the model to apply AWQ, in such "
+            "case it will be skipped."
         ),
     )
     optional_group.add_argument(