mx53smd: Place machine ID into board config

Let common code set the machine ID.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/include/configs/mx53smd.h b/include/configs/mx53smd.h
index 49f8c6e..261f0bc 100644
--- a/include/configs/mx53smd.h
+++ b/include/configs/mx53smd.h
@@ -1,7 +1,7 @@
 /*
  * Copyright (C) 2011 Freescale Semiconductor, Inc.
  *
- * Configuration settings for the MX53-SMDFreescale board.
+ * Configuration settings for the MX53SMD Freescale board.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -29,6 +29,8 @@
 #define CONFIG_DISPLAY_CPUINFO
 #define CONFIG_DISPLAY_BOARDINFO
 
+#define CONFIG_MACH_TYPE	MACH_TYPE_MX53_SMD
+
 #include <asm/arch/imx-regs.h>
 
 #define CONFIG_CMDLINE_TAG			/* enable passing of ATAGs */