MX51: vision2: Fix build for vision2 board.

config.mk should not be used in board directory and should be removed.
Use the same approach for building the image as other MX51/MX53 boards.

After this change vision2 board can be built again.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>

board/ttcontrol/vision2/config.mk

@@ -1,25 +0,0 @@
-#
-# Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that 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, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-CONFIG_SYS_TEXT_BASE = 0x97800000
-IMX_CONFIG = $(SRCTREE)/board/$(BOARDDIR)/imximage_hynix.cfg
-ALL += $(obj)u-boot.imx

boards.cfg

@@ -131,7 +131,7 @@ mx51evk                      arm         armv7       mx51evk             freesca
 mx53evk                      arm         armv7       mx53evk             freescale      mx5		mx53evk:IMX_CONFIG=board/freescale/mx53evk/imximage.cfg
 mx53loco                     arm         armv7       mx53loco            freescale      mx5		mx53loco:IMX_CONFIG=board/freescale/mx53loco/imximage.cfg
 mx53smd                      arm         armv7       mx53smd             freescale      mx5		mx53smd:IMX_CONFIG=board/freescale/mx53smd/imximage.cfg
-vision2                      arm         armv7       vision2             ttcontrol      mx5
+vision2                      arm         armv7       vision2             ttcontrol      mx5		vision2:IMX_CONFIG=board/ttcontrol/vision2/imximage_hynix.cfg
 cm_t35                       arm         armv7       cm_t35              -              omap3
 omap3_overo                  arm         armv7       overo               -              omap3
 omap3_pandora                arm         armv7       pandora             -              omap3

include/configs/vision2.h

@@ -27,6 +27,7 @@
 
 #define CONFIG_MX51	/* in a mx51 */
 #define CONFIG_L2_OFF
+#define CONFIG_SYS_TEXT_BASE	0x97800000
 
 #include <asm/arch/imx-regs.h>