mx35pdk: Configure CONFIG_BOOTDELAY to one second

One second is enough time for users to react in case they want to stop the
booting process.
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>

include/configs/mx35pdk.h

@@ -120,7 +120,7 @@
 #define CONFIG_CMD_EXT2
 #define CONFIG_CMD_FAT
 
-#define CONFIG_BOOTDELAY	3
+#define CONFIG_BOOTDELAY	1
 
 #define CONFIG_LOADADDR		0x80800000	/* loadaddr env var */