arm: rmobile: lager: Add support command and filesystems of VFAT

Signed-off-by: NNobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>

include/configs/lager.h

@@ -33,12 +33,17 @@
 #define CONFIG_CMD_NFS
 #define CONFIG_CMD_BOOTZ
 #define CONFIG_CMD_USB
+#define CONFIG_CMD_FAT
 
 #define CONFIG_CMD_SF
 #define CONFIG_CMD_SPI
 #define CONFIG_SYS_TEXT_BASE	0xE8080000
 #define CONFIG_SYS_THUMB_BUILD
 
+/* Support File sytems */
+#define CONFIG_DOS_PARTITION
+#define CONFIG_SUPPORT_VFAT
+
 #define	CONFIG_CMDLINE_TAG
 #define	CONFIG_SETUP_MEMORY_TAGS
 #define	CONFIG_INITRD_TAG