[U-Boot] [U-Boot, v3, 20/20] clk: rockchip: clk_rk3368: Implement "assign-clock-parent"

[Philipp Tomsich]

> Implement the setting parent for gmac clock, and add internal
> pll div set for mac clk.
> 
> Signed-off-by: David Wu <david.wu at rock-chips.com>
> ---
> 
> Changes in v3:
> - New patch
> 
> Changes in v2: None
> 
>  arch/arm/include/asm/arch-rockchip/cru_rk3368.h |  7 ++
>  drivers/clk/rockchip/clk_rk3368.c               | 91 +++++++++++++++++++++++--
>  2 files changed, 91 insertions(+), 7 deletions(-)
> 

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