[PATCH 6/8] ARM: mvebu: enable SDHCI card detection using DAT3 pin on A388-GP

[Andrew Lunn]

> We have three options here:
> - leave GPIO-based card detection and see if in future anyone
> complains about not working detection
> - switch to DAT3 detection - yes you're right, that it is a regression
> for all boards < 1.5
> - enable SW polling for detection ("broken-cd") which should satisfy
> all kind of boards

Then i would suggest either broken-cd, or two .dtb blobs and good
comments in the dts files about how to identify the boards and what
happens if you run the wrong DTB blob.

     Andrew