* driver should not have hard-coded understanding about I/O directions
* board code should pass the I/O direction to driver
* board code should use the correct I/O directions (A0..7, B0: output)
Change-Id: Id4a8e012a33cee01bb489e612e17920760b9be59
* code for controlling the Card slot + frequencyt divider muxes
* put everything in place to build cardem application for it
Change-Id: I7e03e0c0f2999a1ce2dad966d98e22033fa58465