net/hinic: Modify the printing level of some logs

driver inclusion
category: bugfix
bugzilla: 4472

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When the driver incorporates new features, but the firmware is an old
version, some commands are not supported by the firmware. After the
driver sends the command, printing the error level log will mislead
the user to think that there is an abnormality, so modify the print
and log level.

Signed-off-by: Chiqijun <chiqijun@huawei.com>
Reviewed-by: Wangxiaoyun <cloud.wangxiaoyun@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>