ARM: OMAP: Fix consistent_sync properly

Turns out the problem was not in consistent_sync(), but blockops.c
overriding the the dmac_ functions with buggy ones... Undo previous
commit a9a31cc4, and remove blockops.c
from Makefile until it's completely removed from mainline kernel.

arch/arm/mm/Makefile

@@ -51,4 +51,4 @@ obj-$(CONFIG_CPU_ARM1026)	+= proc-arm1026.o
 obj-$(CONFIG_CPU_SA110)		+= proc-sa110.o
 obj-$(CONFIG_CPU_SA1100)	+= proc-sa1100.o
 obj-$(CONFIG_CPU_XSCALE)	+= proc-xscale.o
-obj-$(CONFIG_CPU_V6)		+= proc-v6.o blockops.o
+obj-$(CONFIG_CPU_V6)		+= proc-v6.o

arch/arm/mm/consistent.c

@@ -432,7 +432,7 @@ core_initcall(consistent_init);
 void consistent_sync(void *vaddr, size_t size, int direction)
 {
 	unsigned long start = (unsigned long)vaddr;
-	unsigned long end   = start + size - 1;
+	unsigned long end   = start + size;
 
 	switch (direction) {
 	case DMA_FROM_DEVICE:		/* invalidate only */