net: hns3: fix set cpu affinity when state down

driver inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I7A712


CVE: NA

----------------------------------------------------------------------

The CPU affinity can be configured when the network
port is down. The patch fixes the problem.

Signed-off-by: Jiantao Xiao <xiaojiantao1@h-partners.com>