zmx25: Place machine ID into board config

Let common code set the machine ID.

Cc: Matthias Weisser <weisserm@arcor.de>
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>

board/syteco/zmx25/zmx25.c

@@ -117,8 +117,6 @@ int board_init()
 	writel(input_select1, &inputselect->i2c3_ipp_sda_in);	/* I2C3 SDA */
 	writel(input_select2, &inputselect->i2c3_ipp_scl_in);	/* I2C3 SCL */
 
-	/* board id for linux */
-	gd->bd->bi_arch_number = MACH_TYPE_ZMX25;
 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
 	return 0;

include/configs/zmx25.h

@@ -32,6 +32,7 @@
 #define CONFIG_SYS_HZ			1000
 #define CONFIG_SYS_TEXT_BASE		0xA0000000
 
+#define CONFIG_MACH_TYPE	MACH_TYPE_ZMX25
 /*
  * Environment settings
  */