Fix: Handle AWS T4 device without software version requirement

netspresso/benchmarker/v2/benchmarker.py

@@ -48,6 +48,11 @@ def filter_device_by_version(
         Returns:
             Optional[DeviceInfo]: Filtered device info or None if no matching version
         """
+        # software_version이 None이고 device가 aws-t4인 경우 그대로 반환
+        if target_software_version is None and device.device_name == DeviceName.AWS_T4:
+            return device
+
+        # 기존 로직
         filtered_versions = [
             version for version in device.software_versions if version.software_version == target_software_version
         ]