[PATCH] PPC32 build fix

From: Matt Porter <mporter@kernel.crashing.org>

This fixes the build on non cache coherent PPC32 platforms.

arch/ppc/mm/cachemap.c

@@ -148,7 +148,7 @@ void consistent_sync(void *vaddr, size_t size, int direction)
 	case DMA_FROM_DEVICE:	/* invalidate only */
 		invalidate_dcache_range(start, end);
 		break;
-	case DMA_TODEVICE:		/* writeback only */
+	case DMA_TO_DEVICE:		/* writeback only */
 		clean_dcache_range(start, end);
 		break;
 	case DMA_BIDIRECTIONAL:	/* writeback and invalidate */