nvmet-rdma: fix kernel-doc warning for nvmet_rdma_device_removal

This fixes following kernel-doc warning:-

drivers/nvme/target/rdma.c:1722: warning: expecting prototype for nvme_rdma_device_removal(). Prototype was for nvmet_rdma_device_removal() instead
Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/nvme/target/rdma.c

@@ -1703,7 +1703,7 @@ static void nvmet_rdma_queue_connect_fail(struct rdma_cm_id *cm_id,
 }
 
 /**
- * nvme_rdma_device_removal() - Handle RDMA device removal
+ * nvmet_rdma_device_removal() - Handle RDMA device removal
  * @cm_id:	rdma_cm id, used for nvmet port
  * @queue:      nvmet rdma queue (cm id qp_context)
  *