usb: core: devio.c: Fix assignment of 0/1 to bool variables

Use true/false for is_in bool type in function proc_do_submiturb.

Signed-off-by: Saurav Girepunje <[e-mail]>
Link: https://lore.kernel.org/r/20191007182649.GA7068@saurav
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/core/devio.c

···
 		uurb->buffer_length = le16_to_cpu(dr->wLength);
 		uurb->buffer += 8;
 		if ((dr->bRequestType & USB_DIR_IN) && uurb->buffer_length) {
-			is_in = 1;
+			is_in = true;
 			uurb->endpoint |= USB_DIR_IN;
 		} else {
-			is_in = 0;
+			is_in = false;
 			uurb->endpoint &= ~USB_DIR_IN;
 		}
 		if (is_in)