ath9k: describe hw initialization better

During initialization ath9k tends to use "attach" to when we
initialize hardware due to the fact we used to attach a "HAL".
The notion of a HAL is long gone, so lets just be clear on what
we are doing.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c
index aad259b..a613cf4 100644
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -777,7 +777,7 @@
 	}
 }
 
-void ath9k_hw_ani_attach(struct ath_hw *ah)
+void ath9k_hw_ani_init(struct ath_hw *ah)
 {
 	int i;