mpc83xx: set 64BIT_VSPRINTF for boards using nand_util

When enabling NAND support for a board, one must also define
CONFIG_SYS_64BIT_VSPRINTF because this is needed in nand_util.c
for correct output.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Cc: Dave Liu <daveliu@freescale.com>
Cc: Ron Madrid <ron_madrid@sbcglobal.net>
Cc: Anton Vorontsov <avorontsov@ru.mvista.com>
diff --git a/include/configs/MPC8360ERDK.h b/include/configs/MPC8360ERDK.h
index f584435..4fcca09 100644
--- a/include/configs/MPC8360ERDK.h
+++ b/include/configs/MPC8360ERDK.h
@@ -212,6 +212,7 @@
 #define CONFIG_NAND_FSL_UPM	1
 #define CONFIG_SYS_MAX_NAND_DEVICE	1
 #define CONFIG_MTD_NAND_VERIFY_WRITE
+#define CONFIG_SYS_64BIT_VSPRINTF	/* needed for nand_util.c */
 
 #define CONFIG_SYS_LBLAWBAR1_PRELIM	CONFIG_SYS_NAND_BASE
 #define CONFIG_SYS_LBLAWAR1_PRELIM	0x8000001b /* Access window size 4K */