New functions to support MMC multislot:
mmc_omap_release_dma() and mmc_omap_abort_xfer().
Signed-off-by: NJuha Yrjola <juha.yrjola@solidboot.com>
Signed-off-by: NCarlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
Signed-off-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>