[PATCH] PPC32: Export consistent_sync_page.

From: Tom Rini <trini@kernel.crashing.org>

We must export the consistent_sync_page symbol.  It is used by inline
functions which implement the PCI DMA API.

arch/ppc/mm/cachemap.c

@@ -170,3 +170,5 @@ void consistent_sync_page(struct page *page, unsigned long offset,
 	start = (unsigned long)page_address(page) + offset;
 	consistent_sync((void *)start, size, direction);
 }
+
+EXPORT_SYMBOL(consistent_sync_page);