mx51evk: Place machine ID into board config

Let common code set the machine ID.

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

board/freescale/mx51evk/mx51evk.c

@@ -403,7 +403,6 @@ int board_init(void)
 {
 	system_rev = get_cpu_rev();
 
-	gd->bd->bi_arch_number = MACH_TYPE_MX51_BABBAGE;
 	/* address of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 

include/configs/mx51evk.h

@@ -48,6 +48,7 @@
 
 #define CONFIG_OF_LIBFDT		1
 
+#define CONFIG_MACH_TYPE	MACH_TYPE_MX51_BABBAGE
 /*
  * Size of malloc() pool
  */