arm: mvebu: Remove coherency configuration

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>
diff --git a/arch/arm/mach-mvebu/mbus.c b/arch/arm/mach-mvebu/mbus.c
index 05c9ef2..9b76bce 100644
--- a/arch/arm/mach-mvebu/mbus.c
+++ b/arch/arm/mach-mvebu/mbus.c
@@ -341,9 +341,6 @@
 			w = &mbus_dram_info.cs[cs++];
 			w->cs_index = i;
 			w->mbus_attr = 0xf & ~(1 << i);
-#if defined(CONFIG_ARMADA_XP)
-			w->mbus_attr |= ATTR_HW_COHERENCY;
-#endif
 			w->base = base & DDR_BASE_CS_LOW_MASK;
 			w->size = (size | ~DDR_SIZE_MASK) + 1;
 		}