[U-Boot] [U-Boot, RESENT, v2, 2/4] rockchip: rk322x: update max-frequency for mmc node

[Philipp Tomsich]

> mmc using 150000000 as max-frequency like what rk3288 sets.
> This can speed up the mmc read/write, the actual mmc clock is:
> Before this patch: 37.125M
> After this patch: 49.5M
> 
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
> ---
> 
> Changes in v2:
> - remove fifo-mode in patch
> - update commit message to explain why this patch needed.
> 
>  arch/arm/dts/rk3229-evb.dts | 1 -
>  arch/arm/dts/rk322x.dtsi    | 4 ++--
>  2 files changed, 2 insertions(+), 3 deletions(-)
> 

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