RDMA: Correct duplicated words in comments

There is a duplicated word 'is' and 'for' in a comment that needs to be
dropped.

Link: https://lore.kernel.org/r/20220622170853.3644-1-jiangjian@cdjrlc.com
Link: https://lore.kernel.org/r/20220623103708.43104-1-jiangjian@cdjrlc.com
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/core/rdma_core.c

@@ -68,7 +68,7 @@ static int uverbs_try_lock_object(struct ib_uobject *uobj,
 	 * In exclusive access mode, we check that the counter is zero (nobody
 	 * claimed this object) and we set it to -1. Releasing a shared access
 	 * lock is done simply by decreasing the counter. As for exclusive
-	 * access locks, since only a single one of them is is allowed
+	 * access locks, since only a single one of them is allowed
 	 * concurrently, setting the counter to zero is enough for releasing
 	 * this lock.
 	 */

drivers/infiniband/hw/bnxt_re/bnxt_re.h

@@ -173,7 +173,7 @@ struct bnxt_re_dev {
 	/* Max of 2 lossless traffic class supported per port */
 	u16				cosq[2];
 
-	/* QP for for handling QP1 packets */
+	/* QP for handling QP1 packets */
 	struct bnxt_re_gsi_context	gsi_ctx;
 	struct bnxt_re_stats		stats;
 	atomic_t nq_alloc_cnt;