mwifiex: reduce severity of debug messages for mgmt rx

This would ensure dmesg logs are not spammed with "unknown mgmt frame
subtype" messages.

Reviewed-by: James Cameron <quozl@laptop.org>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/mwifiex/util.c

@@ -350,8 +350,8 @@ mwifiex_parse_mgmt_packet(struct mwifiex_private *priv, u8 *payload, u16 len,
 		}
 		break;
 	default:
-		mwifiex_dbg(priv->adapter, ERROR,
-			    "unknown mgmt frame subytpe %#x\n", stype);
+		mwifiex_dbg(priv->adapter, INFO,
+			    "unknown mgmt frame subtype %#x\n", stype);
 	}
 
 	return 0;