net: hns3: fix incorrect handling of sctp6 rss tuple

mainline inclusion
from mainline-v5.11-rc3
commit ab6e32d2
category: bugfix
bugzilla: NA
CVE: NA

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

The hardware can support verification-tag for rss tuple set of
sctp6 packet.

Fixes: 46a3df9f ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Reviewed-by: Junxin Chen <chenjunxin1@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>