mx25pdk: 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: Fabio Estevam <fabio.estevam@freescale.com>

include/configs/mx25pdk.h

@@ -130,7 +130,7 @@
 #define CONFIG_CMD_MII
 #define CONFIG_CMD_NET
 
-#define CONFIG_BOOTDELAY	3
+#define CONFIG_BOOTDELAY	1
 
 #define CONFIG_LOADADDR		0x81000000	/* loadaddr env var */
 #define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR