V4L/DVB (3194): Revert one 64-bit fix and improved other 64-bit fixes

- Reverted objectionable fix in saa7146_hlp.c
- Merged in improved dvb 64-bit fixes from Peter Beutner.

Signed-off-by: Peter Beutner <p.beutner@gmx.net>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>

drivers/media/common/saa7146_hlp.c

@@ -562,7 +562,7 @@ static void saa7146_set_position(struct saa7146_dev *dev, int w_x, int w_y, int
 
 	int b_depth = vv->ov_fmt->depth;
 	int b_bpl = vv->ov_fb.fmt.bytesperline;
-	u32 base = (u32)(unsigned long)vv->ov_fb.base;
+	u32 base = (u32)vv->ov_fb.base;
 
 	struct	saa7146_video_dma vdma1;