[U-Boot] [PATCH 3/3] README: remove description about CONFIG_USE_ARCH_MEMCPY/SET

[Fabio Estevam]

On Mon, Dec 19, 2016 at 8:31 AM, Masahiro Yamada
<yamada.masahiro at socionext.com> wrote:
> These options are now described in the Kconfig help.  We do not want
> to maintain duplicated documentation.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>

Reviewed-by: Fabio Estevam <fabio.estevam at nxp.com>