Docs: usb: update struct usb_driver

update struct usb_driver from usb-skeleton.c.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/8084ad0e369d4e0bf10598292ee4bac46d09d03d.1635138058.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/driver-api/usb/writing_usb_driver.rst

@@ -57,9 +57,12 @@ structure. The skeleton driver declares a :c:type:`usb_driver` as::
 	    .name        = "skeleton",
 	    .probe       = skel_probe,
 	    .disconnect  = skel_disconnect,
-	    .fops        = &skel_fops,
-	    .minor       = USB_SKEL_MINOR_BASE,
+	    .suspend     = skel_suspend,
+	    .resume      = skel_resume,
+	    .pre_reset   = skel_pre_reset,
+	    .post_reset  = skel_post_reset,
 	    .id_table    = skel_table,
+	    .supports_autosuspend = 1,
     };