nvme-pci: fix some comments issues

Fix comment typos and remove whitespaces before tabs to cleanup
checkpatch errors.

Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/nvme/host/pci.c

@@ -1258,9 +1258,9 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved)
 	}
 
 	/*
- 	 * Shutdown the controller immediately and schedule a reset if the
- 	 * command was already aborted once before and still hasn't been
- 	 * returned to the driver, or if this is the admin queue.
+	 * Shutdown the controller immediately and schedule a reset if the
+	 * command was already aborted once before and still hasn't been
+	 * returned to the driver, or if this is the admin queue.
 	 */
 	if (!nvmeq->qid || iod->aborted) {
 		dev_warn(dev->ctrl.device,
@@ -2000,7 +2000,7 @@ static void nvme_calc_irq_sets(struct irq_affinity *affd, unsigned int nrirqs)
 	unsigned int nr_read_queues, nr_write_queues = dev->nr_write_queues;
 
 	/*
-	 * If there is no interupt available for queues, ensure that
+	 * If there is no interrupt available for queues, ensure that
 	 * the default queue is set to 1. The affinity set size is
 	 * also set to one, but the irq core ignores it for this case.
 	 *