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/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 01e5584..7b97160 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1888,7 +1888,7 @@
 	__set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags);
 	if (!modparam_nohwcrypt) {
 		__set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
-		__set_bit(CONFIG_CRYPTO_COPY_IV, &rt2x00dev->flags);
+		__set_bit(DRIVER_REQUIRE_COPY_IV, &rt2x00dev->flags);
 	}
 	__set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);