vision2: Remove unused header file

errno.h is not used on this file, so remove it.

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

board/ttcontrol/vision2/vision2.c

@@ -31,7 +31,6 @@
 #include <asm/arch/iomux.h>
 #include <asm/gpio.h>
 #include <asm/arch/sys_proto.h>
-#include <asm/errno.h>
 #include <i2c.h>
 #include <mmc.h>
 #include <pmic.h>