[U-Boot] [PATCH v3] mgcoge make ether_scc.c work with CONFIG_NET_MULTI

[Ben Warren]

Hi Gary,

Gary Jennejohn wrote:
> This change is needed for mgcoge because it uses two ethernet drivers.
>
> Add a check for the presence of the PIGGY board on mgcoge.  Without this
> board networking cannot work and the initialization must be aborted.
>
> Only allocate rtx once to prevent DPRAM exhaustion.
>
> Initialize ether_scc.c and the keymile-specific HDLC driver (to be added
> soon) in eth.c.
>
> Signed-off-by: Gary Jennejohn <garyj at denx.de>
> ---
>   
Added to net/next.

thanks,
Ben