[U-Boot] cmd_nand: Do not show usage when scrub is aborted

[Scott Wood]

On Thu, Jul 11, 2013 at 05:29:57PM +0900, Masahiro Yamada wrote:
> When executing nand scrub, the user gets the prompt:
> 
>   Really scrub this NAND flash? <y/N>
> 
> We do not want the annoying usage displayed when saying N here.
> 
> Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
> 
> ---
> common/cmd_nand.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Applied to u-boot-nand-flash.

-Scott