V4L/DVB (8128): saa7146: ->cpu_addr and friends are little-endian

Annotations + stop saa7146_i2c from playing fast and loose with
reuse of ->cpu_addr for host-endian.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/include/media/saa7146.h b/include/media/saa7146.h
index 88b2b5a..2f68f4c 100644
--- a/include/media/saa7146.h
+++ b/include/media/saa7146.h
@@ -53,7 +53,7 @@
 /* saa7146 page table */
 struct saa7146_pgtable {
 	unsigned int	size;
-	u32		*cpu;
+	__le32		*cpu;
 	dma_addr_t	dma;
 	/* used for offsets for u,v planes for planar capture modes */
 	unsigned long	offset;
@@ -101,7 +101,7 @@
 struct saa7146_dma
 {
 	dma_addr_t	dma_handle;
-	u32		*cpu_addr;
+	__le32		*cpu_addr;
 };
 
 struct saa7146_dev