Fix config, set directory block to -1 for redboot.

SVN-Revision: 6533

target/linux/rdc-2.6/config/default

@@ -243,7 +243,7 @@ CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_PNC2000 is not set
 # CONFIG_MTD_RAM is not set
 CONFIG_MTD_RDC3210=y
-# CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK is not set
+CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1
 CONFIG_MTD_REDBOOT_PARTS=y
 # CONFIG_MTD_REDBOOT_PARTS_READONLY is not set
 # CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED is not set