[U-Boot] [U-Boot, 08/10] rockchip: rk3368: move board_debug_uart_init() to rk3368.c

[Philipp Tomsich]

> Move the function to soc file so
> that we can find all the soc/board setting in soc file and
> use a common board file later for all rockchip SoCs.
> 
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
> ---
> 
>  arch/arm/mach-rockchip/rk3368-board-spl.c |  5 -----
>  arch/arm/mach-rockchip/rk3368-board-tpl.c | 33 +------------------------------
>  arch/arm/mach-rockchip/rk3368/rk3368.c    | 31 +++++++++++++++++++++++++++++
>  3 files changed, 32 insertions(+), 37 deletions(-)
> 

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