IB/uverbs: fix the typo of optional

Fix the typo of optional in the function of UVERBS_HANDLER.

Signed-off-by: Deming Wang <wangdeming@inspur.com>
Link: https://lore.kernel.org/r/20221006161456.2998-1-wangdeming@inspur.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

drivers/infiniband/core/uverbs_std_types_qp.c

@@ -163,7 +163,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_QP_CREATE)(
 					UVERBS_ATTR_CREATE_QP_SRQ_HANDLE))
 				return -EINVAL;
 
-			/* send_cq is optinal */
+			/* send_cq is optional */
 			if (cap.max_send_wr) {
 				send_cq = uverbs_attr_get_obj(attrs,
 					UVERBS_ATTR_CREATE_QP_SEND_CQ_HANDLE);