[U-Boot] [U-Boot, 3/3] rockchip: rk3188: use DM timer instead of rk_timer

[Philipp Tomsich]

> Disable rk_timer as SYS timer and use DM timer instead,
> so that we can get a better timer framework, the rk_timer
> is going to be clean after we conver to use DM timer or
> ARM arch/generic timer.
> 
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
> ---
> 
>  arch/arm/mach-rockchip/Makefile           | 2 ++
>  arch/arm/mach-rockchip/rk3188-board-spl.c | 2 --
>  configs/rock_defconfig                    | 3 +++
>  include/configs/rk3188_common.h           | 5 -----
>  4 files changed, 5 insertions(+), 7 deletions(-)
> 

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