We are not using the coherency feature in U-Boot at all. So lets remove this configuration from the mbus driver. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested-by: Kevin Smith <kevin.smith@elecsyscorp.com> Tested-by: Dirk Eibach <dirk.eibach@gdsys.cc>