Update PAC240S56-CN.yaml (#2851)

Author: walday

module-types/Huawei/PAC240S56-CN.yaml

@@ -3,6 +3,6 @@ manufacturer: Huawei
 model: PAC240S56-CN
 comments: '[PAC240S56-CN  240W Din Rail PSU](https://support.huawei.com/enterprise/en/doc/EDOC1000013597/eaf5408/pac240s56-cn-240-w-poe-ac-hvdc-power)'
 power-ports:
-  - name: PWR
+  - name: PWR-{module}
     type: hardwired
     maximum_draw: 240