usb: dwc2: gadget: rename sent_zlp to send_zlp

This flag is set before sending the zlp. So use present tense instead
of the past tense.

Tested-by: Robert Baldyga <r.baldyga@samsung.com>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index e963aef..f09b3de 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -108,7 +108,7 @@
  * @halted: Set if the endpoint has been halted.
  * @periodic: Set if this is a periodic ep, such as Interrupt
  * @isochronous: Set if this is a isochronous ep
- * @sent_zlp: Set if we've sent a zero-length packet.
+ * @send_zlp: Set if we need to send a zero-length packet.
  * @total_data: The total number of data bytes done.
  * @fifo_size: The size of the FIFO (for periodic IN endpoints)
  * @fifo_load: The amount of data loaded into the FIFO (periodic IN)
@@ -149,7 +149,7 @@
 	unsigned int            halted:1;
 	unsigned int            periodic:1;
 	unsigned int            isochronous:1;
-	unsigned int            sent_zlp:1;
+	unsigned int            send_zlp:1;
 
 	char                    name[10];
 };