[PATCH -next] usb: cdns3: imx: mark cdns_imx_resume as __maybe_unused

[weiyongjun (A)]

> Hello!
>
> On 3/9/21 4:14 PM, 'Wei Yongjun wrote:
>
>> From: Wei Yongjun <weiyongjun1 at huawei.com>
>>
>> The function cdns_imx_resume() may have no callers depending
>> on configuration, so it must be marked __maybe_unused to avoid
>> harmless warning:
>>
>> drivers/usb/cdns3/cdns3-imx.c:378:12: warning:
>>   'cdns_imx_system_resume' defined but not used [-Wunused-function]
>>    378 | static int cdns_imx_system_resume(struct device *dev)
>>        |            ^~~~~~~~~~~~~~~~~~
>     Looks like that warning was copied from another kernel, where this function
> was named differently?


Sorry, it seems I post the wrong patch. I will send v2. Thanks.