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/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 918308a..2b519b3 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -283,8 +283,7 @@
 
 	/* ath_desc must be a multiple of DWORDs */
 	if ((desc_len % 4) != 0) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "ath_desc not DWORD aligned\n");
+		ath_err(common, "ath_desc not DWORD aligned\n");
 		BUG_ON((desc_len % 4) != 0);
 		error = -ENOMEM;
 		goto fail;
@@ -736,8 +735,7 @@
 
 	error = ath9k_init_debug(ah);
 	if (error) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Unable to create debugfs files\n");
+		ath_err(common, "Unable to create debugfs files\n");
 		goto error_world;
 	}