[U-Boot] [PATCH v2] rockchip: rk3188: use board_debug_uart_init() for UART io init

[Philipp Tomsich]

> On 29.11.2018, at 03:07, Kever Yang <kever.yang at rock-chips.com> wrote:
> 
> Sync with other rockchip SoCs, use board_debug_uart_init() to
> init default UART iomux.
> 
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>

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