usb: dwc3: clean up whitespace damage, typos, missing parens, etc.

trivial patch, no functional changes

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 5a06709..4fa2c98 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -374,7 +374,7 @@
 	case USB_RECIP_ENDPOINT:
 		switch (wValue) {
 		case USB_ENDPOINT_HALT:
-			dep =  dwc3_wIndex_to_dep(dwc, wIndex);
+			dep = dwc3_wIndex_to_dep(dwc, wIndex);
 			if (!dep)
 				return -EINVAL;
 			ret = __dwc3_gadget_ep_set_halt(dep, set);