[U-Boot] [U-Boot, v4, 14/19] mmc: dw_mmc: support transfer mode autodetection

[Philipp Tomsich]

> dw_mmc supports two transfer modes in u-boot: idma and fifo.
> This patch adds autodetection of transfer mode and eliminates setting this in host config struct
> 
> Signed-off-by: Paweł Jarosz <paweljarosz3691 at gmail.com>
> ---
> Changes since v1:
> - none
> 
> Changes since v2:
> - none
> 
> Changes since v3:
> - none
> 
>  drivers/mmc/dw_mmc.c | 8 ++++++++
>  include/dwmmc.h      | 4 ++++
>  2 files changed, 12 insertions(+)
> 

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