[platform] Correct get_name() in sfp.py of IX7

Author: roberthong-qct

platform/broadcom/sonic-platform-modules-quanta/ix7-32x/sonic_platform/sfp.py

@@ -1556,8 +1556,7 @@ def get_name(self):
         """
         sfputil_helper = SfpUtilHelper()
         sfputil_helper.read_porttab_mappings(self.__get_path_to_port_config_file())
-        print("self.index{}".format(self.index))
-        name = sfputil_helper.logical[self.index-1] or "Unknown"
+        name = sfputil_helper.physical_to_logical[self.index][0] or "Unknown"
         return name
 
     def get_model(self):
@@ -1618,4 +1617,4 @@ def get_error_description(self):
             except OSError as e:
                 return "EEPROM read failed ({})".format(e.strerror)
 
-        return self.SFP_STATUS_OK
+        return self.SFP_STATUS_OK