ath: Convert ath_print(.., ATH_DBG_FATAL to ath_err

So these errors are always emitted at KERN_ERR level.
Remove ARRAY_SIZE casts, use printf type %zu

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/key.c b/drivers/net/wireless/ath/key.c
index 62e3dac..3a47695 100644
--- a/drivers/net/wireless/ath/key.c
+++ b/drivers/net/wireless/ath/key.c
@@ -37,8 +37,7 @@
 	void *ah = common->ah;
 
 	if (entry >= common->keymax) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "keychache entry %u out of range\n", entry);
+		ath_err(common, "keycache entry %u out of range\n", entry);
 		return false;
 	}
 
@@ -75,8 +74,7 @@
 	void *ah = common->ah;
 
 	if (entry >= common->keymax) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "keychache entry %u out of range\n", entry);
+		ath_err(common, "keycache entry %u out of range\n", entry);
 		return false;
 	}
 
@@ -117,8 +115,7 @@
 	u32 keyType;
 
 	if (entry >= common->keymax) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "keycache entry %u out of range\n", entry);
+		ath_err(common, "keycache entry %u out of range\n", entry);
 		return false;
 	}
 
@@ -159,8 +156,7 @@
 		keyType = AR_KEYTABLE_TYPE_CLR;
 		break;
 	default:
-		ath_print(common, ATH_DBG_FATAL,
-			  "cipher %u not supported\n", k->kv_type);
+		ath_err(common, "cipher %u not supported\n", k->kv_type);
 		return false;
 	}
 
@@ -341,8 +337,7 @@
 	memcpy(hk->kv_mic, key_txmic, sizeof(hk->kv_mic));
 	if (!ath_hw_set_keycache_entry(common, keyix, hk, NULL)) {
 		/* TX MIC entry failed. No need to proceed further */
-		ath_print(common, ATH_DBG_FATAL,
-			  "Setting TX MIC Key Failed\n");
+		ath_err(common, "Setting TX MIC Key Failed\n");
 		return 0;
 	}