mpc52xx, charon: change mtd default partitions

New default partitions on nor flash:

640k   (firmware)
1408k  (kernel)
2m     (initrd)
4m     (small-fs)
24320k (big-fs)
256k   (dts)

Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/include/configs/charon.h b/include/configs/charon.h
index 80a273c..f29ceaf 100644
--- a/include/configs/charon.h
+++ b/include/configs/charon.h
@@ -47,6 +47,7 @@
 	"bootfile=/tftpboot/charon/uImage\0"			\
 	"fdt_file=/tftpboot/charon/charon.dtb\0"		\
 	"u-boot=/tftpboot/charon/u-boot.bin\0"			\
+	"mtdparts=" MTDPARTS_DEFAULT "\0"			\
 	"addmtd=setenv bootargs ${bootargs} ${mtdparts}\0"