configs: Delete unused CONFIG_SYS_64BIT_{VSPRINTF, STRTOUL}

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/include/configs/M54418TWR.h b/include/configs/M54418TWR.h
index 031672e..3d7dc1f 100644
--- a/include/configs/M54418TWR.h
+++ b/include/configs/M54418TWR.h
@@ -77,7 +77,6 @@
 #define CONFIG_SYS_MAX_NAND_DEVICE	1
 #define NAND_MAX_CHIPS			CONFIG_SYS_MAX_NAND_DEVICE
 #define CONFIG_SYS_NAND_SELECT_DEVICE
-#define	CONFIG_SYS_64BIT_VSPRINTF	/* needed for nand_util.c */
 #endif
 
 /* Network configuration */
diff --git a/include/configs/p1_twr.h b/include/configs/p1_twr.h
index 601bac7..c296a07 100644
--- a/include/configs/p1_twr.h
+++ b/include/configs/p1_twr.h
@@ -238,9 +238,6 @@
 #define CONFIG_OF_BOARD_SETUP
 #define CONFIG_OF_STDOUT_VIA_ALIAS
 
-#define CONFIG_SYS_64BIT_VSPRINTF
-#define CONFIG_SYS_64BIT_STRTOUL
-
 /* new uImage format support */
 #define CONFIG_FIT
 #define CONFIG_FIT_VERBOSE	/* enable fit_format_{error,warning}() */
diff --git a/include/configs/vl_ma2sc.h b/include/configs/vl_ma2sc.h
index 2187f77..14c6e67 100644
--- a/include/configs/vl_ma2sc.h
+++ b/include/configs/vl_ma2sc.h
@@ -322,7 +322,6 @@
 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)	/* our CLE is AD22 */
 #define CONFIG_SYS_NAND_ENABLE_PIN	GPIO_PIN_PD(15)
 #define CONFIG_SYS_NAND_READY_PIN	GPIO_PIN_PB(0)
-#define CONFIG_SYS_64BIT_VSPRINTF	/* needed for nand_util.c */
 #endif
 
 /* Ethernet */
diff --git a/include/configs/x600.h b/include/configs/x600.h
index 00b938a..d420efe 100644
--- a/include/configs/x600.h
+++ b/include/configs/x600.h
@@ -170,7 +170,6 @@
 #define CONFIG_SYS_BARGSIZE			CONFIG_SYS_CBSIZE
 #define CONFIG_SYS_LOAD_ADDR			0x00800000
 #define CONFIG_SYS_CONSOLE_INFO_QUIET
-#define CONFIG_SYS_64BIT_VSPRINTF
 
 /* Use last 2 lwords in internal SRAM for bootcounter */
 #define CONFIG_BOOTCOUNT_LIMIT