net: hns3: add a missing mutex destroy in hclge_init_ad_dev()

mainline inclusion
from mainline-v5.8-rc1
commit 95163521
category: bugfix
bugzilla: NA
CVE: NA

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

Add a mutex destroy call in hclge_init_ae_dev() when fails.

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>