This change fixes the compiler warning
nand_util.c:45:2: warning: #warning Please define CONFIG_SYS_64BIT_VSPRINTF
  for correct output!
Signed-off-by: Eric Benard <eric@eukrea.com>
Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
 #define CONFIG_SYS_NAND_ENABLE_PIN             AT91_PIN_PC14
 #define CONFIG_SYS_NAND_MASK_ALE               (1 << 21)
 #define CONFIG_SYS_NAND_MASK_CLE               (1 << 22)
+#define CONFIG_SYS_64BIT_VSPRINTF              /* needed for nand_util.c */
 
 /* NOR flash */
 #define CONFIG_SYS_FLASH_CFI                   1