ARM: mx6: use common CPU errata config options

Now that U-Boot has common CONFIG_ options to work around some ARM CPU
errata, enable the relevant options on MX6, and remove the custom
lowlevel_init.S, since it's just duplicated code now.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Jason Liu <r64343@freescale.com>

include/configs/mx6_common.h

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2013, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __MX6_COMMON_H
+#define __MX6_COMMON_H
+
+#define CONFIG_ARM_ERRATA_743622
+#define CONFIG_ARM_ERRATA_751472
+
+#endif

include/configs/mx6qarm2.h

@@ -24,6 +24,9 @@
 
 #define CONFIG_MX6
 #define CONFIG_MX6Q
+
+#include "mx6_common.h"
+
 #define CONFIG_DISPLAY_CPUINFO
 #define CONFIG_DISPLAY_BOARDINFO
 

include/configs/mx6qsabre_common.h

@@ -19,6 +19,9 @@
 
 #define CONFIG_MX6
 #define CONFIG_MX6Q
+
+#include "mx6_common.h"
+
 #define CONFIG_DISPLAY_CPUINFO
 #define CONFIG_DISPLAY_BOARDINFO
 

include/configs/mx6qsabrelite.h

@@ -24,6 +24,9 @@
 
 #define CONFIG_MX6
 #define CONFIG_MX6Q
+
+#include "mx6_common.h"
+
 #define CONFIG_DISPLAY_CPUINFO
 #define CONFIG_DISPLAY_BOARDINFO