cdc-eem: always use BIT

Either you use BIT(x) or 1 << x in the same expression.
Mixing them is ridiculous. Go to BIT()

Signed-off-by: Oliver Neukum <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/usb/cdc_eem.c

···
 				if (unlikely(!skb2))
 					goto next;
 				skb_trim(skb2, len);
-				put_unaligned_le16(BIT(15) | (1 << 11) | len,
+				put_unaligned_le16(BIT(15) | BIT(11) | len,
 						skb_push(skb2, 2));
 				eem_linkcmd(dev, skb2);
 				break;