[U-Boot] nios: Move README.nios_CONFIG_SYS_NIOS_CPU to doc/ dir

[Jean-Christophe PLAGNIOL-VILLARD]

On 00:45 Fri 12 Dec     , Shinya Kuribayashi wrote:
> Signed-off-by: Shinya Kuribayashi <skuribay at ruby.dti.ne.jp>
> ---
>
> Hi Jean,
>
> in the commit 6d0f6bcf (rename CFG_ macros to CONFIG_SYS), this README
> file was added into ${TOPDIR} dir.  Was this intended?
>
Tks, I've seen it and also send a patch to fix

He must be somewhere on the ML

Best Regards,
J.