net: hns3: fix cpu rmap handle issue

driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

Currently, driver regists affinity notifier twice for each irq,
which may case use-afer-free and double free issue. This patch
fixes it.

Feature or Bugfix:Bugfix

Signed-off-by: shenjian (K) <shenjian15@huawei.com>
Reviewed-by: lipeng <lipeng321@huawei.com>
Reviewed-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>