[U-Boot] [PATCH] mtd: nand: revive "nand scrub" command

[Scott Wood]

On Thu, 2014-12-11 at 19:49 +0900, Masahiro Yamada wrote:
> Since commit ff94bc40af34 (mtd, ubi, ubifs: resync with Linux-3.14),
> the "nand scrub" command has not been working.
> 
> The scrub is a U-Boot extension and we have to modify nand_base.c
> that originates in Linux.
> 
> Mark the code with #ifdef __UBOOT__ so we will never accidentally
> drop it when we re-sync the NAND framework with Linux in the future.

No more "#ifdef __UBOOT__" please.  Instead, never again do a "start
from scratch" resync the way that the above commit was done.

-Scott