net: hns3: support debugfs for wake on lan

driver inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I7ON9Y


CVE: NA

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Implement debugfs for wake on lan to hns3. The debugfs
support verify the firmware wake on lan configuration.

Signed-off-by: Hao Lan <lanhao@huawei.com>
Signed-off-by: Jiantao Xiao <xiaojiantao1@h-partners.com>
Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>