usb: gadget: udc: reduce indentation

Delete tab aligning a statement with the right hand side of a
preceding assignment rather than the left hand side.

Found with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

drivers/usb/gadget/udc/snps_udc_core.c

@@ -947,15 +947,14 @@ static int prep_dma(struct udc_ep *ep, struct udc_request *req, gfp_t gfp)
 				UDC_DMA_STP_STS_BS_HOST_READY,
 				UDC_DMA_STP_STS_BS);
 
-
-			/* clear NAK by writing CNAK */
-			if (ep->naking) {
-				tmp = readl(&ep->regs->ctl);
-				tmp |= AMD_BIT(UDC_EPCTL_CNAK);
-				writel(tmp, &ep->regs->ctl);
-				ep->naking = 0;
-				UDC_QUEUE_CNAK(ep, ep->num);
-			}
+		/* clear NAK by writing CNAK */
+		if (ep->naking) {
+			tmp = readl(&ep->regs->ctl);
+			tmp |= AMD_BIT(UDC_EPCTL_CNAK);
+			writel(tmp, &ep->regs->ctl);
+			ep->naking = 0;
+			UDC_QUEUE_CNAK(ep, ep->num);
+		}
 
 	}