RDMA/hns: Fix missing xa_destroy()

Add xa_destroy() for xarray in driver.

Fixes: 5c1f167a ("RDMA/hns: Init SRQ table for hip08")
Fixes: 27e19f45 ("RDMA/hns: Convert cq_table to XArray")
Fixes: 736b5a70 ("RDMA/hns: Convert qp_table_tree to XArray")
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://patch.msgid.link/20250311084857.3803665-7-huangjunxian6@hisilicon.com


Signed-off-by: Leon Romanovsky <leon@kernel.org>