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/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 230dedb..751d803 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1332,10 +1332,10 @@
 	ah->hw_version.devid = devid;
 	sc->sc_ah = ah;
 
-	r = ath9k_hw_attach(ah);
+	r = ath9k_hw_init(ah);
 	if (r) {
 		DPRINTF(sc, ATH_DBG_FATAL,
-			"Unable to attach hardware; "
+			"Unable to initialize hardware; "
 			"initialization status: %d\n", r);
 		goto bad;
 	}