usb: gadget: Fix os desc test

USB vendor type is encoded in field bmRequestType. Make test USB_TYPE_VENDOR
with bRequestType instead of bRequest.

Signed-off-by: Mario Schuknecht <mario.schuknecht@dresearch-fe.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/composite.c

@@ -1655,7 +1655,7 @@ unknown:
 		 * OS descriptors handling
 		 */
 		if (cdev->use_os_string && cdev->os_desc_config &&
-		    (ctrl->bRequest & USB_TYPE_VENDOR) &&
+		    (ctrl->bRequestType & USB_TYPE_VENDOR) &&
 		    ctrl->bRequest == cdev->b_vendor_code) {
 			struct usb_request		*req;
 			struct usb_configuration	*os_desc_cfg;