rt2x00: Move link tuning into seperate file

Move link and antenna tuning into a seperate file named rt2x00link.c,
this makes the interface to the link tuner a lot cleaner.

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/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c
index 54dd100..cc19406 100644
--- a/drivers/net/wireless/rt2x00/rt2x00debug.c
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.c
@@ -130,9 +130,11 @@
 };
 
 void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev,
-			       enum cipher cipher, enum rx_crypto status)
+			       struct rxdone_entry_desc *rxdesc)
 {
 	struct rt2x00debug_intf *intf = rt2x00dev->debugfs_intf;
+	enum cipher cipher = rxdesc->cipher;
+	enum rx_crypto status = rxdesc->cipher_status;
 
 	if (cipher == CIPHER_TKIP_NO_MIC)
 		cipher = CIPHER_TKIP;