rt2x00: Rename CONFIG_CRYPTO_COPY_IV

CONFIG_CRYPTO_COPY_IV is a bad name since it is part
of the driver requirements instead of a configuration option.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 0709dec..0112556 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -403,7 +403,7 @@
 	 */
 	if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc.flags) &&
 	    !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc.flags)) {
-		if (test_bit(CONFIG_CRYPTO_COPY_IV, &queue->rt2x00dev->flags))
+		if (test_bit(DRIVER_REQUIRE_COPY_IV, &queue->rt2x00dev->flags))
 			rt2x00crypto_tx_copy_iv(skb, iv_len);
 		else
 			rt2x00crypto_tx_remove_iv(skb, iv_len);