[U-Boot] [U-Boot, v3, 17/20] config: evb-rk3229: Enable rk gmac configs

[Philipp Tomsich]

> Add gmac config support for rk3229 evb.
> 
> Signed-off-by: David Wu <david.wu at rock-chips.com>
> ---
> 
> Changes in v3:
> - None
> 
> Changes in v2:
> - New patch
> 
>  configs/evb-rk3229_defconfig | 5 +++++
>  1 file changed, 5 insertions(+)
> 

Reviewed-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>