Merge with testing-NAND (Rewrite of NAND code)

CHANGELOG

common/cmd_nand.c

drivers/nand/Makefile

drivers/nand/diskonchip.c

drivers/nand/nand.c

drivers/nand/nand_base.c

drivers/nand/nand_bbt.c

drivers/nand/nand_ecc.c

drivers/nand/nand_ids.c

fs/jffs2/jffs2_nand_1pass.c

fs/jffs2/jffs2_nand_private.h

include/linux/mtd/compat.h

include/linux/mtd/mtd-abi.h

include/linux/mtd/mtd.h

include/linux/mtd/nand.h

include/linux/mtd/nand_ecc.h

include/linux/mtd/nand_ids.h

include/nand.h