Remove private data reference from nand mbr.h

Remove same declaration from nand_blk.c

Signed-off-by: Michal Suchanek <hramrach@gmail.com>
Remove duplicates of nand mbr.h

Signed-off-by: Michal Suchanek <hramrach@gmail.com>
Move nanda-nando compat naming to partition-generic.c

Signed-off-by: Michal Suchanek <hramrach@gmail.com>
Remove nand partition handling cruft.

Signed-off-by: Michal Suchanek <hramrach@gmail.com>