[PATCH v2] usb: mtu3: Fix spelling typo in comments

[chen zhang]

Fix spelling typo in comments.

Reported-by: k2ci <kernel-bot at kylinos.cn>
Signed-off-by: chen zhang <chenzhang at kylinos.cn>
---
change for v2: add k2ci tool explain:
K2ci (Kylin Continuous Integration) is a code pre-verification tool 
independently developed by KylinSoft, which is used for ensuring the 
code quality of code submission. K2ci includes the comment check tool
notes_check.

This spelling typo was found using notes_check tool, which reported the following
warning when check the v5.19 kernel release:

python3 notes_check.py 
drivers/usb/mtu3/mtu3_qmu.c emtpy
---
 drivers/usb/mtu3/mtu3_qmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/mtu3/mtu3_qmu.c b/drivers/usb/mtu3/mtu3_qmu.c
index 2ea3157ddb6e..5c3fbfcf6483 100644
--- a/drivers/usb/mtu3/mtu3_qmu.c
+++ b/drivers/usb/mtu3/mtu3_qmu.c
@@ -220,7 +220,7 @@ static struct qmu_gpd *advance_deq_gpd(struct mtu3_gpd_ring *ring)
 	return ring->dequeue;
 }
 
-/* check if a ring is emtpy */
+/* check if a ring is empty */
 static int gpd_ring_empty(struct mtu3_gpd_ring *ring)
 {
 	struct qmu_gpd *enq = ring->enqueue;
-- 
2.25.1